- Bruce Bennett
- Lee Graham
- Leslie Brooks
- Ann Carter
- Frank Albertson
- Johnny Davis
- Julian Rivero
- Miguel Gonzales
- George McKay
- Pete Dugan
- Rhys Williams
- Henry Miller
- Henry Victor
- Johann Schrode
- Addison Richards
- George Martin
- Rosina Galli
- Maria Gonzales
- Warren Ashe
- John Ward
- Russell Gaige
- Dr. Fenwick
- Crane Whitley
- Giuseppe Ormanti
- Leonard Strong
- Count Akiri
- Hans Conried
- Hugo
- Joan Blake
- Elena Gonzales
- Lynton Brent
- Engineer
- Lloyd Bridges
- Chemist
- Bud Geary
- Fred
- Jayne Hazard
- Secretary
- Oscar 'Dutch' Hendrian
- Drinking Buddy Spike
- Kenneth MacDonald
- J.M. Clyde
- George Magrill
- Spike's Friend
- Ralph Sanford
- Big Guy
- Sandy Sanford
- Telephone Man
- Sonny Schulman
- José Gonzales
- Hans Schumm
- Hans
- Jack Shay
- Hank
- William Stahl
- Telephone Man
- Ben Taggart
- Police Chief
- John Tyrrell
- Assistant
