William Powell
Role: Andrew Gentling
Shelley Winters
Role: Catherine Sykes
Marsha Hunt
Role: Martha Wier
Dorothy Hart
Role: Helen Gentling
James Gleason
Role: Captain Gledhill
Felix Bressart
Role: Professor Morris Avrum
Art Baker
Role: Henry Pritchard
Sheldon Leonard
Role: Detective Pacciano
Howard Freeman
Role: Dr. Markheim
Houseley Stevenson
Role: Montgomery Thatcher
Paul Harvey
Role: Mr. Arnspiger
Francis Pierlot
Role: Dr. Herbert Watson
Jess Barker
Role: Arnold Sykes
Mikel Conrad
Role: Freddie Blair
Vangie Beilby
Role: Old Lady at Lecture (uncredited)
Marjorie Bennett
Role: Waitress (uncredited)
Leonard Bremen
Role: Truck Driver (uncredited)
Paul Brinegar
Role: Reporter (uncredited)
Frank Cady
Role: Reporter (uncredited)
Edmund Cobb
Role: Policeman (uncredited)
Helen Crozier
Role: Maid (uncredited)
Johnny Duncan
Role: Bellhop (uncredited)
Adolph Faylauer
Role: Bald Man at Lecture (uncredited)
Sandra Gould
Role: Newspaper Girl (uncredited)
Ethyl May Halls
Role: Woman at Window (uncredited)
Chuck Hamilton
Role: Policeman (uncredited)
Herbert Heywood
Role: Attendant (uncredited)
Tommy Ivo
Role: Horace - Boy at Roadblock (uncredited)
Lyle Latell
Role: Reporter (uncredited)
George Lynn
Role: Policeman (uncredited)
Enid Markey
Role: Clara (uncredited)
Maurice Marsac
Role: Louis (uncredited)
Charles McAvoy
Role: Policeman (uncredited)
Ralph Peters
Role: Portly Man (uncredited)
Jack Rice
Role: Good Humor Man (uncredited)
Brick Sullivan
Role: Policeman (uncredited)
Charles Sullivan
Role: Truck Driver in Cafe (uncredited)
Jim Toney
Role: Bartender (uncredited)
Harland Tucker
Role: Clerk (uncredited)
Minerva Urecal
Role: Gas Station Attendant (uncredited)
Dorothy Vaughan
Role: Leona (uncredited)
Charles Flynn
Role: Policeman (uncredited)