The crew of the American destroyer escort, the USS Haynes, detects a German U-Boat—resulting in a prolonged, deadly battle of wits.
Robert Mitchum
as Capt. Murrell
Curd Jürgens
as Kapitän von Stolberg
David Hedison
as Lt. Ware
Theodore Bikel
as Heinie Schwaffer
Russell Collins
as Doctor
Kurt Kreuger
as Von Holem
Frank Albertson
as Lt. J.G. Crain
Biff Elliot
as Quartermaster
Michael McHale
as German Soldier
Alan Dexter
as Lt. Mackeson
Joe Di Reda
as BMSN Robbins
Robert Boon
as Chief Engineer
