Frank Albertson
Lt. J.G. Crain

Biff Elliot
Quartermaster

Michael McHale
German Soldier

Alan Dexter
Lt. Mackeson (uncredited)
Joe Di Reda
BMSN Robbins (uncredited)
Robert Boon
Chief Engineer

Doug McClure
Ens. Merry (uncredited)

Joe Brooks
German Soldier (uncredited)
George Ford
Officer (uncredited)
Sasha Harden
German Sailor