Ernest Borgnine as Quinton McHale

Tim Conway as Ensign Charles Parker

Joe Flynn as Captain Wallace B. Binghamton

Bob Hastings as Lt. Elroy Carpenter

Gary Vinson as Quartermaster George Christopher (Christy)

John Wright as Willy Moss

Carl Ballantine as Torpedoman Lester Gruber

Billy Sands as Motor Machinist Mate Harrison Bell

Edson Stroll as Virgil Edwards

Gavin MacLeod as Seaman Joseph 'Happy' Hanes

Yoshio Yoda as Fuji Kobiaji

Jean Willes as Margot Monet

Claudine Longet as Andrea Bouchard

George Kennedy as Henri Le Clerc