John Wayne
Captain Karl Ehrlich
Pemeran
Top Billed Cast
Lana Turner
Elsa Keller
David Farrar
Commander Jeff Napier
James Arness
Schlieter
Tab Hunter
Cadet Wesser
Lyle Bettger
Chief Officer Kirchner
Paul Fix
Max Heinz
Claude Akins
Winkler
John Qualen
Chief Engineer Schmitt
Alan Hale Jr.
Wentz
Richard Davalos
Cadet Walter Stemme (as Dick Davalos)
Lowell Gilmore
Capt. Evans
Luis van Rooten
Matz
Wilton Graff
Consul General Hepke
Peter Whitney
Bachman