• 
  Jack Arnold

  regizor

• 
  John McGreevey

  scenarist
• 
  Frank Telford

  scenarist

• 
  Tony Randall

  Fred Miller
• 
  Janet Leigh

  Vivian Miller
• 
  Jim Backus

  T.R. Hollister
• 
  Ken Berry

  Mel Cheever
• 
  Roddy McDowall

  Nate Ashbury

• 
  Charlotte Rae

  Myrtle Ruth
• 
  Richard Dreyfuss

  Harold Webster
• 
  Kay Cole

  Lorrie Miller
• 
  Gary Tigerman

  Tommie Miller
• 
  Lee Meredith

  Dr. Wells
• 
  Arnold Stang

  Jonah
• 
  Harvey Lembeck

  Sonarman

• 
  Pat Henning

  Reilly
• 
  Jay Laskay

  Philo
• 
  Frank Logan

  Căpitan
• 
  Bruce Gordon

  Adm. Sheridan
• 
  Leo E. Arthur

  Fred Miller
• 
  Henny Backus

  Mrs. Webster
• 
  Lou Wagner

  Marvin Webster

• 
  Ivan Tors

  producător
• 
  Clifford H. Poland Jr.

  imagine
• 
  Erwin Dumbrille

  montaj
• 
  Jeff Barry

  coloană sonoră
• 
  Ricou Browning

  Regizor (sec. subacvatice)