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