- Richard Talmadge
- Dick Bartlett
- Shirley Grey
- Ruth Dale
- Fred Malatesta
- Dr. Sandro Tito
- Carl Stockdale
- Leader of the Kidnap Plot
- Lloyd Ingraham
- John, the Gardener
- Geneva Mitchell
- Mme. Nedra Tito
- Victor Metzetti
- Henchman Schultz
- Billy Jones
- Mike - Short Hencman
- James Guilfoyle
- The Plumber
- Lydia Knott
- Old Lady on Train
- Arthur Metzetti
- Henchman
- Otto Metzetti
- Henchman
