Jeff Chandler
Capt. Jebediah S. Hawks
George Nader
Lieut. Dave MacDougall
Lex Barker
Commander Quigley
Julie Adams
Nadine MacDougall
Keith Andes
Doctor Bell
Richard Boone
Lieut. Fraser
William Reynolds
Ensign Kruger
Charles McGraw
Lieut. Mike O'Bannion
Jock Mahoney
Alvick
Frank Faylen
Chief Phillip P. 'Pappy' Moran
John McIntire
Jock Mahoney
Don Keefer
James Westerfield
Kendall Clark
George Dunn
Charles Horvath
Jarl Victor
Arthur Space
Sam Gilman
Parley Baer
Hal Baylor
Clint Eastwood
Corpsman (uncredited)
David Janssen
uncredited