• 
  Clive Donner

  regizor

• 
  Mel Brooks

  scenarist

• 
  Vittorio Gassman

  Sauvage/Nino Salvatori Sebastiani
• 
  Sylvia Kristel

  Agent 34
• 
  Don Adams (I)

  Maxwell Smart
• 
  Rhonda Fleming

  Edith Von Secondberg
• 
  Norman Lloyd (I)

  Carruthers
• 
  James W. Gavin

  Helicopter Pilot

• 
  Bob Bralver

  Driver of 'Big Black Truck'
• 
  Walter Brooke

  American Ambassador
• 
  Patrick Gorman

  French Delegate
• 
  Gary Imhoff

  Jerry Krovney
• 
  Dick Warlock

  Kaos on plane
• 
  Bill Dana

  Jonathan Levinson Seigle
• 
  Hap Lawrence

  Sergeant Major

• 
  James Donald

  Maxwell Smart
• 
  Richard Sanders

  German Delegate
• 
  Dana Elcar

  Chief
• 
  Nick Dimitri

  KAOS #1
• 
  Byron Webster

  English Delegate
• 
  Alex Rodine

  Russian Delegate
• 
  Ross Reynolds

  Helicopter Pilot