Richard Widmark as Lt. Cmdr. John Lawrence

Robert Wagner as Lt. (jg) Franklin

Dana Andrews as Jake Flannigan

Gary Merrill as Lt. Cmdr. Pete Vincent

Jeffrey Hunter as Pappy Creighton

Warren Stevens as Hodges

Harvey Lembeck as Marvin W. 'Canarsie' Mikowsky

Robert Rockwell as Lt. Bill Doyle

Henry Slate as Sleepy

Robert Adler as Chief Ryan

Parley Baer as Dr. Ullman

William Bishop as Ferrino

Frank Donahue as Kinsella

James Gregory as Chief Petty Officer Lane

Harry Hamada as Gunner

Russell Hardie as Captain Radford

Ray Hyke as Repairman

Peter Leeds as Pharmacist's Mate

Norman McKay as Captain Phillips

William N. Neil as Cmdr. Miles

Robert Patten as Lt. Klinger

Fay Roope as Adm. Dakers

Sydney Smith as Gen. Coleson

Jack Warden as Crew Member

Rush Williams as Soldier

George Yoshinaga as Swimmer