John Wayne

Capt. Rockwell Torrey

Kirk Douglas

Commander Paul Eddington, Jr.

Patricia Neal

Lt. Maggie Hayes

Tom Tryon

Mac McConnell

Paula Prentiss

Beverly McConnell

Brandon De Wilde

Ens. Jeremiah 'Jere' Torrey

Jill Haworth

Ens. Annalee Dorne

Dana Andrews

Admiral Broderick

Stanley Holloway

Clayton Canfil

Burgess Meredith

Commander Egan Powell

Barbara Bouchet

Liz Eddington

Franchot Tone

CINCPAC I

Henry Fonda

CINCPAC II

Patrick O'Neal

Commander Neal Owynn

Carroll O'Connor

Lt. Commander Burke

Slim Pickens

C.P.O. Culpepper

James Mitchum

Ensign Griggs

George Kennedy

Colonel Gregory

Bruce Cabot

Quartermaster Quoddy

Tod Andrews

Captain Tuthill

Larry Hagman

Lt. J.G. Cline

Stewart Moss

Ensign Balch

Richard LePore

Tom Agar

Chet Stratton

Ship's Doctor

Soo Yong

Tearful Woman

Dort Clark

Boston

Hal Needham

Airman in the Blue Lagoon (uncredited)

Christopher George

Sailor (uncredited)

Hugh O'Brian

U.S. Army Air Corps Major (Liz Eddington's Lover) (uncredited)