- Ralph Bellamy
- Police Inspector Steve Trent
- June Collyer
- Janet Holt
- Claude Gillingwater
- John Fry
- Bradley Page
- Howard B. Smith
- Betty Blythe
- Mavis Fry
- Arthur Pierson
- Dr. David R. Marsh
- George Cooper
- Stubby
- William Jeffrey
- Edward Arnold
- Joseph Crehan
- Police Capt. Frank Flynn
- Otto Yamaoka
- Kono
- Mary Foy
- Housekeeper
- Kit Guard
- Jack
- Bob Kortman
- Plainclothesman
- Edward LeSaint
- Harry Graham
- Fred 'Snowflake' Toones
- Taxi Driver
