Season Six
- #154: The Case of the Bogus Books 9/27/62
- Phyllis Love as Ellen Carter
- Adam West as Pete Norland
- John Abbott as Prof. Carlos Muntz
- H. M. Wynant as Gene Torg
- Joby Baker as Kenneth Carter
- Allison Hayes as Pearl Chute
- Woodrow Parfrey as George Pickson
- Maurice Manson as Joseph Kraft
- Tenen Holtz as Mr. Gilfain
- Raymond Greenleaf as Rare Book Curator
- Kenneth MacDonald as Judge
- John Alvin as Bank Teller
- William Tracy as Man
- Michael Fox as Coroner's Physician
- Renee Godfrey as Lady Librarian
- #155: The Case of the Capricious Corpse 10/4/62
- John Howard as Dr. Guy Omstead
- Jacques Aubuchon as George Gage
- Lee Farr as Nicholas Blake
- Lori March as Olive Omstead
- Jan Shepard as Joane Proctor
- Jean Engstrom as Claudia Demming
- Dennis Rush as Timmy
- Evelyn Ward as Nurse Evelyn King
- John Pickard as Detective Boykins
- Teru Shimada as Ito Kumagi
- Willis Bouchey as Judge
- June Ellis as Chambermaid
- Herbert Patterson as Auto Engineer
- Ed Stoddard as Police Chemist
- Alex Bookston as Druggist
- Richard Geary as Diver
- Everett Glass as Carleton Gage
- Gilbert Frye as Desk Clerk
- John Morley as Ernest Demming
- William Hines as Waiter
- #156: The Case of the Playboy Pugilist 10/11/62
- Gary Lockwood as Davey Carroll
- Dianne Foster as Lori Richards
- Dolores Michaels as Jo Sands
- Robert Armstrong as Jimmy West
- Mark Roberts as Tod Richards
- Anthony Caruso as Keith Lombard
- Joseph Sirola as George Hale
- Mort Mills as Sergeant Landro
- Sally Bliss as Kay McKenzie
- John Gallaudet as Judge
- Stewart Taylor as Sparring Partner
- Dee Stratton as Switchboard Opr. #1
- Ben Erway as Hotel Manager
- Mae Clarke as Switchboard Opr. #2
- Pepper Curtis as Blonde
- Dennis Richards as Mechanic
- Marty Brenman as Bell Captain
- Tom Simcox as Waiter
- #157: The Case of the Double-Entry Mind 11/1/62
- Stuart Erwin as Clem Sandover
- Karl Weber as Frank Sellers
- Jack Betts as Enos Watterton
- Paul Tripp as Steven Banks
- Virginia Christine as Beth Sandover
- Joan Staley as Sally
- Kathleen Hughes as Lita Krail
- Richard Reeves as Potkin
- Grandon Rhodes as Judge
- Pamela Branch as Typist
- #158: The Case of the Hateful Hero 10/18/62
- Dick Davalos as James Anderson
- Jeanette Nolan as Erna Norden
- Mabel Albertson as Carrie Wilson
- Edmon Ryan as Arthur Morrell
- Leonard Stone as Jerel Leland
- Sue England as Fleta York
- William Phipps as Dwight Wilson
- William Boyett as Otto Norden
- Frank Gerstle as Det. Steve Toland
- Mike Steele as Howard Duncan
- Richard Tretter as Intern
- George Ives as Police Board Chairman
- S. John Launer as Judge
- Lennie Bremen as Superintendent
- Jon Lormer as Autopsy Surgeon
- #159: The Case of the Dodging Domino 10/25/62
- David Hedison as Damion White
- Jeff Morrow as Alex Chase
- Ellen McRae as Mona Winthrope White
- Lloyd Corrigan as Rudy Mahlsted
- Robert H. Harris as Jerry Janda
- Eddie Firestone as Leonard Buckman
- Janet Ward as Freda Chase
- James Forrest as Phil Schuyler
- Maureen Arthur as Vera Jordan
- Tom Palmer as Frank MacManus
- Herbert Rudley as Charles Noymann
- Barney Biro as Judge
- Amanda Randolph as Grace (Maid)
- Pat Goldin as Old Man
- Orville Sherman as Kirkwood
- Diana Reese as Girl
- Rusty Stevens as Boy No. 1
- Gary Hart as Boy No. 2
- Charlotte Thompson as Operator
- #160: The Case of the Unsuitable Uncle 11/8/62
- Sean McClory as Harry Fothergill
- Liam Sullivan as Dickie Durham
- Ford Rainey as Russell Durham
- Howard Smith as Frank Warden
- George Kane as Gil Simpson
- Barbara Parkins as Paula Durham
- Anna Lee as Crystal Durham
- Charles Irving as Judge
- Harvey Korman as Coleman (Bartender)
- Paula Winslowe as Night Court Judge
- Harp McGuire as Officer
- Harry Bartell as Handwriting Expert
- Fern Barry as Helen (Maid)
- George E. Stone as Court Clerk
- #161: The Case of the Stand-In Sister 11/15/62
- R. G. Armstrong as John Gregory
- Peter Whitney as Stefan "Big Steve" Jahnchek
- Peter Mamakos as Nick Paolo
- Parley Baer as David Bickel
- Susan Seaforth as Helen Gregory
- Steven Geray as Franz Moray
- Meg Wyllie as Mrs. Margaret Stone
- Walter Stocker as Van Bennett
- Ralph Clanton as Karl Corby
- S. John Launer as Judge
- Allen Joseph as Senator Cord
- Douglas Evans as William Rice
- Michael Fox as Autopsy Surgeon
- Jay Della as Davino (Marshal)
- George Selk as Attendant
- Charles Stroud as Court Clerk
- Kaye Farrington as Admitting Nurse
- #162: The Case of the Weary Watchdog 11/29/62
- Mala Powers as Janet Brent
- Doris Dowling as Zaneta Holmes
- John Dall as Edward Franklin
- Keye Luke as C. C. Chang
- Wesley Addy as Alton Brent
- Judy Dan as Trixie Tong
- James Hong as Dean Chang
- Kenneth Tobey as Asst. District Attorney Alvin
- Philip Ahn as James Wong
- Willis Bouchey as Second Judge
- Robert S. Carson as Commodore Holmes
- Beulah Quo as Mrs. Tong
- Seamon Glass as Policeman
- Tom Harkness as First Judge
- #163: The Case of the Lurid Letter 12/6/62
- Mona Freeman as Jane Wardman
- Edgar Buchanan as Judge Edward Daley
- Robert Rockwell as Everett Rixby
- Kaye Elhardt as Doris Wilson
- Ann Doran as Mrs. Cornelia Slater
- John Durren as Pat Mangan
- Thomas Lowell as Bobby Slater
- Noah Keen as Dr. Stephen Grant
- Mark Murray as Terry Wardman
- Kelly Thordsen as Sheriff Watson
- Chris Alcaide as Gus Wiler
- Elizabeth Harrower as Mrs. Mangan
- Cheryl Miller as First Girl
- Judee Morton as Second Girl
- Nancy Lee as Third Girl
- Greta Granstadt as Mrs. Sommers
- Harry Travis as Mr. Mangan
- #164: The Case of the Fickle Filly 12/13/62
- Lisabeth Hush as Roberta Harper
- Jim Davis as George Tabor
- Mort Mills as Sergeant Landro
- Joan Freeman as Jennifer Wakely
- Jennifer Howard as Madelon Haines Shelby
- Strother Martin as Joe Mead
- Bartlett Robinson as Emmett Pierson
- Bob McQuain as Brad Shelby
- Frederic Worlock as Judge
- Bill Quinn as H. B. Durell
- Tom Geas as Victor
- Earl Brown as Stable Hand
- #165: The Case of the Polka Dot Pony 12/20/62
- Jesse White as Burt Renshaw
- Virginia Field as Angela Renshaw Fernaldi
- Burt Metcalfe as Richard Campion
- Ben Cooper as James Grove
- Vivi Janiss as Margaret MacDonald
- Melinda Plowman as Maureen Thomas
- Eilene Janssen as Maureen Franklin
- Jonathan Hole as Edward Link
- Byron Foulger as Pop--Leverett Thomas
- John Warburton as Mr. Campion
- Doris Packer as Mrs. Campion
- Morris Ankrum as Judge
- Freeman Lusk as Man
- Vince Townsend, Jr. as Court Clerk
- #166: The Case of the Shoplifter's Shoe 1/3/63
- Margaret O'Brien as Virginia Trent
- Lurene Tuttle as Sarah Breel
- Leonard Nimoy as Pete Chennery
- Melora Conway as Ione Bedford
- Richard Coogan as Sergeant Gifford
- Arthur Batanides as Bill Golding
- Blair Davies as Austin Cullens
- Charles Irving as Judge
- James Millhollin as Floorwalker
- Shirley Mitchell as Saleswoman
- Kenneth Patterson as Store Detective
- Walter Kelley as Interne
- Bernard Fein as Foreman
- Vincent Troy as Andre (Maitre d')
- #167: The Case of the Bluffing Blast 1/10/63
- Bill Williams as Floyd Grant
- Frank Overton as Deputy D.A. Nelson Taylor
- Peter Breck as Clay Elliot
- Antoinette Bower as Linda Blake
- Mary La Roche as Donella Lambert
- Robert Knapp as Charles Lambert
- Frank Ferguson as Sheriff Orville Ramsey
- Gertrude Flynn as Sylvia Lambert
- Jonathan Kidd as Joe Italiano
- Ralph Manza as Dr. Lieberson
- Bill Zuckert as Judge
- William Fawcett as Mr. Morescu
- Bill Hampton as Cab Driver
- #168: The Case of the Prankish Professor 1/17/63
- Kent Smith as Dr. Curtis Metcalfe
- Constance Towers as Esther Metcalfe
- Patricia Breslin as Laura Hewes
- Barry Atwater as Professor Hewes
- Don Dubbins as Ned Bertell
- Joyce Van Patten as Sally Sheldon
- John Gallaudet as Judge
- Barbara Pepper as Mrs. Williamson
- Jack Searl as Ollie Benson
- John Bryant as Mike Estridge
- Lee Miller as Sgt. Brice
- Harold Goodwin as Clerk
- Chris Washburn as Moncton
- #169: The Case of Constant Doyle 1/31/63
- Bette Davis as Constant Doyle
- Michael Parks as Cal Leonard
- Peggy Ann Garner as Letty Arthur
- Frances Reid as Miss Givney
- Les Tremayne as Lawrence Otis
- Neil Hamilton as Fred McCormick
- George Mitchell as Desk Sergeant
- Jerry Oddo as Steven Arthur
- John Dennis as Police Lieutenant
- Willis Bouchey as Judge
- Dick Wilson as Prisoner
- Marc Romaunt as Kid
- Dorothy Edwards as Waitress
- Gil Perkins as Watchman
- #170: The Case of the Libelous Locket 2/7/63
- Michael Rennie as Prof. Edward Lindley
- Patrice Wymore as Maureen Norland
- Ruta Lee as Vivian Cosgrave
- John Hoyt as Darwin Norland
- Harry von Zell as Sidney Hawes
- Patricia Manning as Janice Norland
- Carlos Romero as Raul Perez
- Dan Seymour as Pedro Dias
- S. John Launer as Judge
- Michael Fox as Physician
- Nacho Galindo as Hotel Owner
- John Harmon as Fingerprint Expert
- Norman Leavitt as Technician
- Robert Howard as Young Man
- Paul Maxey as Plump Man
- Jose Gonzales Gonzales as Taximan
- Lee Miller as Sgt. Brice
- Robert Koff as Male Student
- Kathryn Hart as Maid
- #171: The Case of the Two-Faced Turn-a-Bout 2/14/63
- Hugh O'Brian as Bruce Jason
- Lisa Gaye as Alyssa Laban
- Trevor Bardette as Garrett Richards
- Abraham Sofaer as Elihu Laban
- Robert F. Simon as Philip Hillman
- Werner Klemperer as Ulric Zenas
- Berry Kroeger as Darius Tyson
- Gregory Morton as Amos Waldemar
- Joan Petrone as Tess Noyman
- Kenneth MacDonald as Judge
- Henry Travis as T.V. Reporter
- Walter Mathews as Reporter No. 2
- Charles H. Radilac as Franz Schreck
- William Woodson as Commentator
- Dale Johnson as Ride Attendant
- #172: The Case of the Surplus Suitor 2/28/63
- Walter Pidgeon as Sherman Hatfield
- Joyce Bulifant as Hollis Wilburn
- James Best as Martin Potter
- Carl Benton Reid as John Wilburn
- Nellie Burt as Mrs. Abernathy
- Linden Chiles as Vernon Elliot
- Andrea King as Jean Crewe
- Hayden Rorke as Gage McKinney
- John Siegfried as Alex Gaussner
- Lisa Davis as Receptionist
- James Cross as Cabbie
- Grandon Rhodes as Judge
- Jean Harvey as Janitress
- Russell Grieve as Cop
- #173: The Case of the Golden Oranges 3/7/63
- Arthur Hunnicutt as Amos Keller
- Natalie Trundy as Sandra Keller
- Erin O'Brien as Janis Carr
- Allen Case as James Wheeler
- Arch Johnson as Gerald Thornton
- Mary Munday as Grace Doyle
- Hugh Sanders as John Grimsby
- Henry Norell as Courtney Osgood
- Lee Van Cleef as Edward Doyle
- Charles Irving as Judge Stanley
- Vic Perrin as Assistant D.A. Rice
- Nolan Leary as Judge Gray
- Michael Fox as Coroner's Physician
- Wallace Rooney as Lab Technician
- James Goodwin as Pound Attendant
- Alex Bookston as Private Physician
- Robert Rothwell as Earth Mover Operator
- #174: The Case of the Lawful Lazarus 3/14/63
- David McLean as Trevor Harris
- Maria Palmer as Nora Kasner
- Irene Hervey as Jill Garson
- Max Showalter as Clarence Henry
- Philip Bourneuf as Edgar Thorne
- Abbagail Shelton as Michaela Martin
- Joy Hodges as Clara Thorne
- Kay Stewart as Barbara Billings
- Morris Ankrum as Judge
- Mack Williams as Doctor
- Ted Stanhope as Pawn Broker
- #175: The Case of the Velvet Claws 3/21/63
- Patricia Barry as Eva Belter
- James Philbrook as Harrison Burke
- Wynn Pearce as Carl Griffin
- Virginia Gregg as Mrs. Vickers
- Anna-Lisa as Norma Vickers
- Richard Webb as George Belter
- Harry Jackson as Frank Locket
- Peter Leeds as Photographer
- Paul Barselow as Expert
- Cathie Merchant as Esther Linten
- Ron Stokes as Deputy
- Don Lynch as Traffic Officer
- Kathy Willow as Switchboard Girl
- Buddy Ochoa as Bellboy
- #176: The Case of the Lover's Leap 4/4/63
- Julie Adams as Valerie Comstock
- John Conte as Roy Comstock
- Carleton Carpenter as Peter Brent
- Richard Jaeckel as Willie
- Maura McGiveney as Gloria Winters
- Marvin Miller as F. J. Weatherby
- John Gallaudet as Judge
- Stewart Bradley as Bill Vaughan
- Audrey Caire as Polly Vaughan
- Walter Coy as Mr. Lawson
- Lewis Charles as Bartender
- John Zaremba as Medical Examiner
- Ken Renard as Divorce Judge
- Bill Cord as Coast Guard Officer
- Henry Rowland as Watchman
- Richard Geary as Diver
- Barry Brooks as Man
- Lee Miller as Sgt. Brice
- #177: The Case of the Elusive Element 4/11/63
- Gloria Talbott as Bonnie Lloyd
- Gerald Mohr as Austin Lloyd
- Douglas Henderson as Dwight Garrett
- George Macready as Roscoe Pearce
- Douglas Dick as Ned Chase
- Ronald Long as Myron Baker
- Elaine Devry as Terry Clover
- S. John Launer as Judge
- Jon Lormer as Autopsy Surgeon
- Tommy Farrell as Robert Fordney
- Billy Halop as Man
- Ollie O'Toole as Grocery Clerk
- Ray Dannis as Radio Salesman
- Michael Harris as Sgt. Bruce
- Guy Standing III as Airline Clerk
- Harry Fleer as Bank Teller
- #178: The Case of the Greek Goddess 4/18/63
- John Larkin as John Kenyon
- John Anderson as Dan O'Malley
- Mariana Hill as Theba
- George Kennedy as George Spangler
- Faith Domergue as Cleo Grammas
- Robert Harland as Ken Judson
- Russell Arms as Roger Correll
- Tol Avery as Charles L. Welsh
- Willis Bouchey as Judge
- William Hughes as Policeman
- Lee Miller as Sgt. Brice
- #179: The Case of the Skeleton's Closet 5/2/63
- Keith Andes as Dave Weaver
- Peggy McCay as Margaret Layton
- Frank Aletter as Harry Collins
- Michael Pate as Richard Harris
- David Lewis as Albert McCann
- Dabbs Greer as Jack Tabor
- Pat Finley as Grace Kingman
- John Heath as George Layton
- Walter Mathews as Second Reporter
- Diane Mountford as Janet Layton
- Linda Marshall as Norma Weaver
- Toby Michaels as Secretary
- Sally Smith as Nancy Layton
- Pitt Herbert as Dr. Desmond
- John Truax as Guard
- Jarone Bakewell as First Reporter
- #180: The Case of the Potted Planter 5/9/63
- Constance Ford as Frances
- Diane Brewster as Andrea Walden
- Paul Fix as District Attorney Hale
- Mark Goddard as Roy Mooney
- Robert Bray as Martin Walden
- Joe Maross as Nelson Tarr
- Davey Davison as Melinda Tarr
- William Allyn as David Pinter
- Harry Lauter as Chris Hearn
- Frank Behrens as Doctor Oldham
- Robert Foulk as Delehanty
- Allan Hunt as Jimmie Moore
- David Macklin as Boy
- Jaclyn Carmichael as Girl
- Jamie Forster as Judge
- Pepper Curtis as Receptionist
- Richard Emory as Interne
- #181: The Case of the Witless Witness 5/16/63
- Robert Middleton as Judge Daniel Redmond
- David White as Victor Kendall
- Jackie Coogan as Gus Sawyer
- Steve Brodie as Quinn Torrey
- Florida Friebus as Marian Lamont
- Rita Lynn as Madge Eberly
- Vaughn Taylor as Martin Weston
- Lee Bergere as James Wall
- Harry Holcombe as Senator Deering
- Grandon Rhodes as Judge
- Larry Thor as Commentator
- Michael Fox as Autopsy Surgeon
- Henry Hunter as Attorney
- Jason Johnson as Second Senator