Prof. Frederick Brenner aka Karl Wagner
Richard Dennison
Judy Malvern
Frankie Mills
Charley
Mrs. Brenner
Fingers Dolan
Capt. Mitchell
Det. Pete Crawford
Mrs. Malvern
Doc Brooks
"Trigger" Stratton
The Big Tramp
Det. Thompson (uncredited)
Police Chief Martin (uncredited)
Knocked-out Motorist (uncredited)
Shopkeeper (uncredited)
Jeweler (uncredited)
Henchman (unconfirmed) (uncredited)
Coroner (uncredited)
Usher (uncredited)
Cards-player Tramp (uncredited)
Tramp questioned by Richard (uncredited)
Tramp playing checkers at 'Friendly Mission' (uncredited)
Tramp Playing Checkers at Friendly Mission (uncredited)
Tramp (uncredited)
Newsboy (uncredited)
