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