Capt. Eric Finlander U.S.N.
Ben Munceford
Ens. Ralston (as James Macarthur)
Lt. Cmdr. Chester Potter M.D., U.S.N.
Seaman Merlin Queffle
Commodore Wolfgang Schrepke - Deutsche Marine
Cmdr. Allison - Executive Officer, Bridge
Seaman Jones - Bridge
Seaman 2nd Class - Bridge
Seaman 1st Class - Bridge
Lt. Krindlemeyer U.S.N. - Bridge (as Michael Graham)
Lieutenant Hazelwood U.S.N. - Bridge
Seaman 2nd Class - Bridge (as Stephen Von Schreiber)
Lieutenant Bascombe U.S.N. - C.I.C.
Seaman 2nd Class - C.I.C.
Lieutenant Berger U.S.N. - C.I.C.
Seaman 1st Class - C.I.C.
Seaman 2nd Class - C.I.C. (as Glen Beck)
Lieutenant Beckman U.S.N. - Communications
Lieutenant Hacker U.S.N. - Communications (as Edward Bishop)
Seaman 1st Class - Communications
Petty Officer - Communications
Chief Hospitalman Mckinley - Sick Bay
Hospitalman Nerney - Sick Bay
Hospitalman Strauss - Sick Bay
Seaman (uncredited)