- Holger Herwig
- Self - Canada Research Chair, University of Calgary
- Robert Buckham
- Self - Pilot, Royal Canadian Air Force
- Bill Ryherd
- Self - Pilot, U.S. Army Air Corps
- Jack Kellogg
- Self - Pilot, U.S. Army Air Corps
- Jim Plant
- Self - Flight Lieutenant, Royal Air Force
- Gordon King
- Self - Pilot, Royal Canadian Air Force
- Charles Clarke
- Self - Flight Lieutenant, Royal Air Force
- 'Doc' Mosely
- Self - Navigator, U.S. Army Air Corps
- Herbert Gojowczyk
- Self - German Witness
- Walter Schultz
- Self - German Witness
- Ann Medina
- Self - Narrator
- Kurt Evans
- Young Robert Buckham
- Nicholas W. von Zill
- Herbert Gojowczwk / Robert Schultz (voice)
- George S. Patton
- Self - U.S. General
