Ray EnrightDirector
Randolph ScottCol. Thorwald
Noah Beery Jr.Cpl. Kurt Richter
Alan CurtisJohn Harbison
Grace McDonaldKathleen Corrigan
J. NaishLt. C.J. Cristoforos
David BruceLarry O'Ryan
Peter CoeKozzarowski
Robert Mitchum"Pig-Iron" Matthews
Richard LaneCapt. Dunphy
Rod CameronRube Tedrow
Sam LeveneLeo "Transport" Andreof
Milburn StoneCmdr. Blake
Harold LandonFrankie Montana
John JamesBuddy Andrews
Louis HeydtLt. Roland Browning
Walter Sande"Gunner" McBride
Irving BaconHarry
Joe HaworthSinging Marine
Carl VarnellMarine on Submarine (uncredited)
Robert KentSubmarine Navigator Robinson (uncredited)
