Richard Mason
Evelyn Turner
Dr. Mark Hamilton
Kathryn Mason
Prof. Norman Holsworth
Dr. Grant
Det. Lt. Egan (as Pat O'Moore)
Nora Grant
Phillips (as Ed Stanley)
Lodge Bellboy (uncredited)
Pawnbroker #1 (uncredited)
Pawnbroker #2 (uncredited)
Harris (uncredited)
Nurse (uncredited)
Prof. Berens (uncredited)
Roberts - Highway Patrolman (uncredited)
Det. Lt. Workman (uncredited)
Lodge Guest (uncredited)
Cab Driver #1 (uncredited)
Hobo (uncredited)
Lodge Telephone Operator (uncredited)
1st Pawnbroker (uncredited)
Receptionist (uncredited)
Lodge Desk Clerk (uncredited)
Pedestrian Walking by Newstand (uncredited)
Landlady (uncredited)
Luggage Salesman (uncredited)
Cab Driver #2 (uncredited)
Robert Freston (uncredited)