Robert Young as Michael Morgan

Florence Rice as Judy Barclay

Frank Craven as Dad Morgan

Henry Hull as Dave Duvallo

Lee Bowman as La Claire

Cliff Clark as Inspector Marty Gavigan

Astrid Allwyn as Mrs. Zelma La Claire

Walter Kingsford as Colonel Watrous

Frederick Worlock as Dr. Cesar Sabbatt

Gloria Holden as Madame Rapport

William Demarest as Quinn

Harold Minjir as Tauro

Eddie Acuff as Second Taxi Driver

William Bailey as Spectator in Theatre Box

Margaret Bert as Mary W. Hotchkinson

Truman Bradley as Nightclub Master of Ceremonies

Ralph Brooks as Nightclub Patron

Chester Clute as Waiter with Sugar

John Davidson as Weird Voice (voice)

John Webb Dillion as Magic Show Audience Volunteer

Edward Earle as Ace of Spades Man

Herbert Evans as Nightclub Patron

Jack W. Johnston as Magic Show Audience Volunteer

Suzanne Kaaren as Magician's Assistant in Demo

Armand Kaliz as François

Edward Kilroy as First Attendant

Charles Lane as Fleetwood Apartments Desk Clerk

Richard Loo as Chinese Soldier in Demo

Frances MacInerney as Magician's Assistant in Magic Show

Alphonse Martell as Nightclub Headwaiter

Frank McLure as Magic Show Audience Volunteer

Claire McDowell as Jack of Diamonds Woman

Matt McHugh as 'All Over Town' Bus Driver

Harold Miller as Nightclub Patron

Roger Moore as Magic Show Audience Volunteer

James C. Morton as Blackie the Electrician

Richard Neill as Magic Show Audience Volunteer

Field Norton as Mr. Hotchkinson

Manuel París as Sinister Man in Theatre Box

John Picorri as Colonel in Demo

Cyril Ring as Numbers' Man

Larry Steers as Nightclub Patron

Bert Stevens as Magic Show Audience Volunteer

Amelia Stone as Minor Role

Paul Sutton as Army Captain Robert Z. Storm

William Tannen as Spectator in Theatre Box

Phillip Terry as Magic Show Master of Ceremonies

Harry Tyler as First Taxi Driver

Monte Vandergrift as Police Officer Bergin

Harry J. Vejar as Citizen Who Speaks No English

E. Alyn Warren as Dr. Hendricks - the Coroner