Cast
Brian Donlevy
Duffy Giles
Henry Stephenson
Professor Jerome Hargraves
John Carradine
Sanatorium Inmate (voice) (uncredited)
Etienne Girardot
Dr. Cotton
Julius Tannen
City Editor
Hilda Vaughn
Bertha
Philip Sleeman
Carl
Charles Butterworth
Felix
Helen Westley
Mrs. Hargraves
Sara Haden
Henrietta Hargraves
Nigel De Brulier
Dr. Hall
Paul McVey
Coroner
Don Rowan
Juror (uncredited)
Harry Strang
Court Attendant (uncredited)
Frances Dee
Allison Lang
Gavin Muir
Dr. Barth
Paul Stanton
District Attorney
Andrew Tombes
Jury Foreman (uncredited)