- Dana Andrews
- Capt. Pat Banyon
- Carla Balenda
- Margaret McLean
- Claude Rains
- Capt. Skalder
- Philip Dorn
- Konrad
- Onslow Stevens
- Cmdr. James McLean
- Skip Homeier
- Steve
- Eric Feldary
- Holger
- J.M. Kerrigan
- Skipper Ben
- Arthur Shields
- Kevin Dolan
- Morgan Farley
- Caleb
- Zachary Berger
- Nazi Sailor
- Whit Bissell
- Schuster
- Robert Boon
- Sailor with Rating
- Peter Bourne
- Canadian Lieutenant
- Charles A. Browne
- Seaman Smitty
- Bruce Cameron
- Nazi Machine Gunner
- Dick Crockett
- Nazi
- Geza De Rosner
- German Submarine Officer
- Don Dillaway
- Owen
- Watson Downs
- Ethan
- Art Dupuis
- Minor Role
- Kathleen Ellis
- Villager
- Steve Forrest
- Holtz
- Al Hill
- Tom
- Wesley Hopper
- Nazi
- Larry Johns
- Mark
- Bert Kennedy
- Old Seaman
- Lee MacGregor
- Flight Lt. Cameron
- Harry Mancke
- Villager
- Bob Morgan
- Nazi
- Kay Morley
- Wharf Official
- Karen Norris
- Villager
- Richard Norris
- Second Mate
- William J. O'Brien
- Villager
- Jimmy Ogg
- Cabin Boy
- George Ovey
- Villager
- Ned Roberts
- Nazi Machine Gunner
- Henry Rowland
- First Mate Anderson
- John Royce
- Nazi Sailor
- Carl Sklover
- Minor Role
- Bob Smitts
- Nazi Sailor
- Brick Sullivan
- Villager
- David Thursby
- Ambrose
- Bess Wade
- Villager
- William Yetter Jr.
- German
