- Lloyd Hughes
- Capt. Jerry Brown / Jim Lofton
- Rosalind Keith
- Molly McGuire
- William Janney
- Mickey Lofton
- George Regas
- Fernando - Moran's Henchman
- Henry Otho
- Sgt. Phalen
- Richard Cramer
- Moran - Jones' Henchman
- Jason Robards Sr.
- Raoul McGuire
- Joseph W. Girard
- Col. A.C. Clayton - Flight Surgeon
- Glen Boles
- Cecil Dunbar - Mickey's Pal
- Delmar Watson
- Mickey Lofton - as a Boy
- Ed Cassidy
- Leif Baxter - Dispatcher
- Russell Hicks
- Capt. Morton
- Rosa Turich
- Carla - McGuire Maid
- Frank Hagney
- Terrell
- Larry Steers
- Jones
- Earl Haley
- Red Johnson
- John Eberts
- Undetermined Secondary Role
