Credited 4 times. <br />
Felix Karr in #67 <i>the Spanish Cross</i><br />
George Gage in #155 <i>the Capricious Corpse</i><br />
Victor Bundy in #203 <i>the Garrulous Go-Between</i><br />
Roger Brody in #216 <i>the Betrayed Bride</i>