Peter Stirling
Maria Scola
Tom Henderson
Alberta Ames
Deputy Chief Inspector Hansen
Salvatore Scola
Jefferson 'JG' Garnet
Dan Austin
Dr. Goodrich
Dist. Atty. Evans
Judge Stanley
Francis The Talking Mule (as Francis the Talking Mule)
Man on Sidewalk (uncredited)
Trial Spectator (uncredited)
Dr. Dale (uncredited)
Courtroom Spectator (uncredited)
Bailiff (uncredited)
Captain Cranston (uncredited)
Detective Mulvaney (uncredited)
Jones (uncredited)
Reporter (uncredited)
Roger van Cartel (uncredited)
Party Guest (uncredited)
Arky Ross (uncredited)
Dr. Armitage (uncredited)
Man at Shooting Scene (uncredited)
Ed (uncredited)
Mug (uncredited)
Court Officer (uncredited)
Giuseppe (uncredited)
Mason (uncredited)
Mrs. Henry Potterby (uncredited)
Mrs. Gold (uncredited)
Juror (uncredited)
Brad Mitchell (uncredited)
Street Vendor (uncredited)
Defense Attorney Cavendish (uncredited)
Eddie Frippert (voice) (uncredited)
Court Clerk (uncredited)
Mr. Bruno (uncredited)
Parker (uncredited)
Minor Role (uncredited)
Burke (uncredited)
Reporter at Trial (uncredited)
Mrs. Chekhov (uncredited)
Vance (uncredited)
Sawyer (uncredited)
Mounted Traffic Cop (uncredited)
Francis the Talking Mule (voice) (uncredited)
Dr. Glosser (uncredited)