Full Credits
20 members

Frances Dee
Allison Lang

Brian Donlevy
Duffy Giles

Charles Butterworth
Felix

Helen Westley
Mrs. Hargraves

Henry Stephenson
Professor Jerome Hargraves

Sara Haden
Henrietta Hargraves

Etienne Girardot
Dr. Cotton

Gavin Muir
Dr. Barth

Paul Stanton
District Attorney

Julius Tannen
City Editor

Nigel De Brulier
Dr. Hall

Hilda Vaughn
Bertha

Philip Sleeman
Carl
William Ingersoll
Judge

Paul McVey
Coroner
Bruce Mitchell
Police Sergeant

John Carradine
Sanatorium Inmate (voice) (uncredited)

Don Rowan
Juror (uncredited)

Harry Strang
Court Attendant (uncredited)

Andrew Tombes
Jury Foreman (uncredited)
19 members
Fred Fox
Assistant Director
Sidney Lanfield
Director
F. Tennyson Jesse
Story
Bess Meredyth
Screenplay
Gene Fowler
Screenplay
Allen Rivkin
Screenplay
Darryl F. Zanuck
Producer
Kenneth Macgowan
Associate Producer
Leicester Wagner
Publicist
Bert Glennon
Director of Photography
W.D. Flick
Sound Engineer
Roger Heman Sr.
Sound Engineer
Louis Silvers
Music Director
Mark-Lee Kirk
Art Direction
Thomas Little
Settings
Gwen Wakeling
Costume Design
Herbert Levy
Editor
Harry Tugend
Additional Writing
Mercedes Hill
Stand In