 Errol FlynnCorporal Steve Wagner | Corporal Steve Wagner |
 Julie BishopLaura McBain | Laura McBain |
 Helmut DantineColonel Hugo von Keller | Colonel Hugo von Keller |
 Gene LockhartErnst Willis | Ernst Willis |
 John RidgelyJim Austen | Jim Austen |
 Tom TullyInspector Barnett | Inspector Barnett |
 Alec CraigAngus McBain | Angus McBain |
| RRose HigginsRose Dagor (uncredited) | Rose Dagor (uncredited) |
 Bernard NedellTom Dagor | Tom Dagor |
 Tom DrakeHeinzmann (uncredited) | Heinzmann (uncredited) |
| RRichard AllordJochim Preisser (uncredited) | Jochim Preisser (uncredited) |
 Warren DouglasSergeant (scenes deleted) | Sergeant (scenes deleted) |
 Monte BlueJean | Jean |
 John AlvinOrderly (uncredited) | Orderly (uncredited) |
| RRobert AshleyGerman Ski Trooper (uncredited) | German Ski Trooper (uncredited) |
 Glen CavenderWorkman (uncredited) | Workman (uncredited) |
| KKen ChristyWinnipeg Police Desk Sergeant (uncredited) | Winnipeg Police Desk Sergeant (uncredited) |
 Wallis ClarkJudge (uncredited) | Judge (uncredited) |
| RRobert DayneGerman Ski Trooper (uncredited) | German Ski Trooper (uncredited) |
| JJim DuganMountie (uncredited) | Mountie (uncredited) |
| AAlf EngenNazi Soldier (uncredited) | Nazi Soldier (uncredited) |
| BBen ErwayImmigration Officer (uncredited) | Immigration Officer (uncredited) |
 Tom FaddenHobby (uncredited) | Hobby (uncredited) |
 Jim FarleyTurnkey (uncredited) | Turnkey (uncredited) |
 John ForsytheCorporal (uncredited) | Corporal (uncredited) |
| AArno FreySubmarine Captain (uncredited) | Submarine Captain (uncredited) |
| BBob GaryNazi Soldier (uncredited) | Nazi Soldier (uncredited) |
| RRudy GermaneGerman Agent (uncredited) | German Agent (uncredited) |
 Arthur Gould-PorterLittle Man on Train (uncredited) | Little Man on Train (uncredited) |
 Chuck HamiltonBailiff at Winnipeg Trial (uncredited) | Bailiff at Winnipeg Trial (uncredited) |
