• 
  Alan J. Levi

  regizor

• 
  Richard Dysart

  Leonard Driscoll
• 
  Dana Elcar

  Dr. Harold Schuyler
• 
  H.M. Wynant

  Captain Ballard
• 
  Paul Shenar

  Charles Edward Royce
• 
  Quinn K. Redeker

  Vince Rogers
• 
  Gregory Walcott

  Ofiţer
• 
  Austin Stoker

  Dive Officer

• 
  Billy Goldenberg

  departament sunet
• 
  Billy Goldenberg

  departament sunet
• 
  D. Goldenberg

  departament sunet
• 
  George Whittaker

  costume and wardrobe departmen
• 
  Harve Bennett

  producător
• 
  Robert F. O'Neill

  producător
• 
  Leslie Stevens

  producător

• 
  Kendrick Sweet

  sound department
• 
  Craig R. Baxley

  cascador
• 
  Leslie Stevens

  scriitor
• 
  H.G. Wells

  scriitor