Nathan Travers
Jonas Herdt
Randall Sullivan
Ludwig Cremer
Rachel Travers
Admiral Kentz
Samuel Littleton
Buck Cooper
Teddy Goodman
Quartermaster Klause
Virgil Wright
Jason Abers
Danny Miller
Medical Officer
Christophe
Lars
Lt. Bauer
Achilles Captain
Andreas
Wilhem
Hans
Ox
Friedrich
U821 Kapitan
U1221 Kapitan
Benny Romano
U.S.S. Logan Radarman
U.S.S. Logan Radioman
Planesman
U821 Hydrophone Operator
U821 Radio Operator
Admiral Kentz's Secretary
Achilles Helmsman
German Soldier
Armed Sailor (uncredited)
German Crew Member (uncredited)
Armed Guard #2 (uncredited)
German Soldier (uncredited)
Prison Guard (uncredited)
U429 German Sailor (uncredited)
Radio Operator (uncredited)
Swordfish Sailor (uncredited)
Young Sailor (uncredited)