Tab Hunter
Lt. Morgan Hayes
Frankie Avalon
Seaman Joseph Malzone
Scott Brady
Capt. Emmett Carey
Jim Backus
Bosun's Mate Ed Fennelly
Gary Crosby
Seaman Floyd Givens
Michael Dante
Lt. William 'Bill' Fourtney
David Landfield
Lt. Jim Cale
Jody McCrea
Seaman William Sherman
Aki Aleong
Seaman Ronald Davayo
Marc Cavell
Paul
Eva Six
Reiko
Duane Ament
Seaman Kingsley (uncredited)
Richard Bakalyan
Seaman Hiller (uncredited)
Jody Daniels
Seaman Jones (uncredited)
Joe Finnegan
Seaman Morris (uncredited)
Raymond Guth
Seaman Rich (uncredited)
Judy Lewis
Dream Siren (uncredited)
Alicia Li
Third Native Girl (uncredited)
Steve Mitchell
Seaman Nolan (uncredited)
Tony Scott
CPO Perez (uncredited)
Vernon Scott
Seaman Fowler (uncredited)
William Shatner
Narrator (voice) (uncredited)
Raynum K. Tsukamoto
Kawai (uncredited)
Wayne Winton
Seaman Patterson (uncredited)