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