• 
  Richard Murphy

  regizor

• 
  Jack Lemmon

  Lt. Rip Crandall
• 
  John Anderson

  Marinar
• 
  Richard Anderson

  Lt. Dennis M. Foster
• 
  Dale Ishimoto

  Japanese pilot
• 
  Teru Shimada

  Maj. Samada
• 
  Chips Rafferty

  Patterson (coast watcher)
• 
  Dick Nelson

  Ens. Tommy J. Hanson

• 
  E.R. Nelson

  Ens. Tommy J. Hanson
• 
  Roy Jenson

  Shark Bait (USS Echo crewman)
• 
  Alvy Moore

  Seaman J. Johnson (cook)
• 
  Joby Baker

  Josh Davidson
• 
  Tom Tully

  Capt. McClung
• 
  Warren Berlinger

  Radioman 2nd Class A.J. 'Sparks' Sparks
• 
  Clive Halliday

  Australian Major General

• 
  John Lund

  Lt. Cmdr. Wilbur F. Vandewater
• 
  Patricia Driscoll

  Maggie
• 
  Joseph Gallison

  'Cameo' (as Joe Gallison)
• 
  Mike Kellin

  Chief Mate Jack MacCarthy
• 
  George Shibata

  Capt. Shigetsu

• 
  Carl Anderson

  art director
• 
  Richard H. Kline

  camera and electrical departme
• 
  George Duning

  departament sunet
• 
  Charles Nelson

  montaj
• 
  Fred Kohlmar

  producător
• 
  Louis Diage

  set decorator
• 
  Richard Murphy

  scriitor
• 
  Herbert H. Margolis

  scriitor
• 
  William Raynor

  scriitor