 Robert YoungMichael Morgan | Michael Morgan |
 Florence RiceJudy Barclay | Judy Barclay |
 Frank CravenDad Morgan | Dad Morgan |
 Henry HullDave Duvallo | Dave Duvallo |
 Lee BowmanLa Claire | La Claire |
 Cliff ClarkInspector Marty Gavigan | Inspector Marty Gavigan |
 Astrid AllwynMrs. Zelma La Claire | Mrs. Zelma La Claire |
 Walter KingsfordColonel Watrous | Colonel Watrous |
 Frederick WorlockDr. Cesar Sabbatt | Dr. Cesar Sabbatt |
 Gloria HoldenMadame Rapport | Madame Rapport |
 William DemarestQuinn | Quinn |
 Harold MinjirTauro | Tauro |
 Eddie AcuffSecond Taxi Driver | Second Taxi Driver |
 William BaileySpectator in Theatre Box | Spectator in Theatre Box |
| MMargaret BertMary W. Hotchkinson | Mary W. Hotchkinson |
 Truman BradleyNightclub Master of Ceremonies | Nightclub Master of Ceremonies |
| RRalph BrooksNightclub Patron | Nightclub Patron |
 Chester CluteWaiter with Sugar | Waiter with Sugar |
 John DavidsonWeird Voice (voice) | Weird Voice (voice) |
| JJohn Webb DillionMagic Show Audience Volunteer | Magic Show Audience Volunteer |
 Edward EarleAce of Spades Man | Ace of Spades Man |
 Herbert EvansNightclub Patron | Nightclub Patron |
 Jack W. JohnstonMagic Show Audience Volunteer | Magic Show Audience Volunteer |
 Suzanne KaarenMagician's Assistant in Demo | Magician's Assistant in Demo |
 Armand KalizFrançois | François |
| EEdward KilroyFirst Attendant | First Attendant |
 Charles LaneFleetwood Apartments Desk Clerk | Fleetwood Apartments Desk Clerk |
 Richard LooChinese Soldier in Demo | Chinese Soldier in Demo |
| FFrances MacInerneyMagician's Assistant in Magic Show | Magician's Assistant in Magic Show |
 Alphonse MartellNightclub Headwaiter | Nightclub Headwaiter |
