• 
  Larry Buchanan

  regizor

• 
  Larry Buchanan

  scenarist

• 
  Bill Thurman
• 
  Tommy Kirk

  Dop - Martian Fellow #1/Mr. Fast - Seattle Sun Reporter
• 
  Yvonne Craig

  Dr. Bolen
• 
  Roger Ready

  Stimmons
• 
  Claude Earls
• 
  Ron Scott

• 
  Barnett Shaw
• 
  Patrick Cranshaw
• 
  Don Campbell
• 
  Bob Lorenz
• 
  Sally Casey
• 
  Terry Davis
• 
  Sylvia Rundell

• 
  Ann Palmer
• 
  Dick Simpson
• 
  Byron Lord

  Col. Bob Page, U.S.D.S.

• 
  Larry Buchanan

  producător
• 
  Robert C. Jessup

  imagine
• 
  Larry Buchanan

  montaj
• 
  Ronald Stein

  coloană sonoră