John Triton

Edward G. Robinson

Acting

Jean Courtland

Gail Russell

Acting

Elliott Carson

John Lund

Acting

Jenny

Virginia Bruce

Acting

Lt. Shawn

William Demarest

Acting

Peter Vinson

Richard Webb

Acting

Whitney Courtland

Jerome Cowan

Acting

Dr. Walters

Onslow Stevens

Acting

Mr. Gilman

John Alexander

Acting

Special Prosecutor Melville Weston

Roman Bohnen

Acting

Mr. Myers

Luis van Rooten

Acting

Butler

Henry Guttman

Acting

Miss Hendricks the Housekeeper

Mary Adams

Acting

Dr. Ramsdell

Douglas Spencer

Acting

Maid (uncredited)

Dorothy Abbott

Acting

Policeman (uncredited)

Jimmie Dundee

Acting

Companion (uncredited)

Julia Faye

Acting

Policeman (uncredited)

Pat Flaherty

Acting

Truckman (uncredited)

Frank Hagney

Acting

Elderly Italian Woman (uncredited)

Minerva Urecal

Acting

Agnes (uncredited)

Margaret Field

Acting

Scientist (uncredited)

Stuart Holmes

Acting