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