• 
  Joseph Kane

  regizor

• 
  Hugh O'Brian

  Tom Peterson
• 
  Brian Donlevy

  Cmdr. McFarland
• 
  Tom Powers

  Adm. Ryan
• 
  Robert Karnes

  Shore Patrolman
• 
  Jack Pennick

  Coast Guardsman
• 
  James Flavin

  Cmdr. Rogers
• 
  Kenneth MacDonald

  Army Officer

• 
  Damian O'Flynn

  Capt. Adair
• 
  Murray Alper

  Medic/Interne
• 
  Don Haggerty

  Marine Captain
• 
  Steve Brodie

  'Red' Toon
• 
  Forrest Tucker

  Bill Rourk
• 
  Morris Ankrum

  Navy Captain
• 
  Richard Jaeckel

  Tony Jessup

• 
  Roy Engel

  Voice from Crowd/Ship Welder
• 
  Ken Curtis (I)

  Member of Sons of the Pioneers
• 
  Roy Roberts

  Capt. Gibbs
• 
  Martin Milner

  Al Prescott

• 
  Frank Arrigo

  art director
• 
  Reggie Lanning

  imagine
• 
  David Buttolph

  departament sunet
• 
  Adele Palmer

  costume
• 
  Arthur Roberts

  montaj
• 
  Joseph Kane

  producător
• 
  Otto Siegel

  set decorator
• 
  John McCarthy Jr.

  set decorator
• 
  Howard Lydecker

  special effects
• 
  Charles Marquis Warren

  scriitor
• 
  Kenneth Gamet

  scriitor