John Wayne

as Capt. Rockwell Torrey

Kirk Douglas

as Commander Paul Eddington, Jr.

Patricia Neal

as Lt. Maggie Hayes

Tom Tryon

as Mac McConnell

Paula Prentiss

as Beverly McConnell

Brandon De Wilde

as Ens. Jeremiah 'Jere' Torrey

Jill Haworth

as Ens. Annalee Dorne

Dana Andrews

as Admiral Broderick