John Wayne character Capt. Rockwell Torrey
Kirk Douglas character Commander Paul Eddington, Jr.
Patricia Neal character Lt. Maggie Hayes
Tom Tryon character Mac McConnell
Paula Prentiss character Beverly McConnell
Brandon De Wilde character Ens. Jeremiah 'Jere' Torrey
Jill Haworth character Ens. Annalee Dorne
Dana Andrews character Admiral Broderick
Stanley Holloway character Clayton Canfil
Burgess Meredith character Commander Egan Powell
Franchot Tone character CINCPAC I
Henry Fonda character CINCPAC II
Patrick O'Neal character Commander Neal Owynn
Carroll O'Connor character Lt. Commander Burke
Slim Pickens character C.P.O. Culpepper
James Mitchum character Ensign Griggs
George Kennedy character Colonel Gregory
Bruce Cabot character Quartermaster Quoddy
Barbara Bouchet character Liz Eddington
Tod Andrews character Captain Tuthill
Larry Hagman character Lt. J.G. Cline
Stewart Moss character Ensign Balch
Richard LePore character Tom Agar
Chet Stratton character Ship's Doctor
Soo Yong character Tearful Woman
Dort Clark character Boston
Hal Needham character Airman in the Blue Lagoon (uncredited)
