• 
  Bryan Forbes

  Marsh
• 
  Brian Donlevy

  Prof. Bernard Quatermass
• 
  Vera Day

  Sheila
• 
  Charles Lloyd Pack

  Dawson
• 
  John Longden

  Lomax
• 
  Michael Ripper

  Ernie
• 
  John Stuart

  Commissioner
• 
  John Rae

  McLeod

• 
  Sid James

  Jimmy Hall
• 
  Percy Herbert

  Gorman
• 
  Barry Lowe

  Chris
• 
  John Van Eyssen

  The P.R.O.
• 
  John Clarke

  Marsh

• 
  Bernard Robinson

  art director
• 
  Gerald Gibbs

  imagine

• 
  James Bernard

  departament sunet
• 
  James Needs

  montaj
• 
  Alfred Cox

  editorial department
• 
  Michael Carreras

  producător
• 
  Anthony Hinds

  producător
• 
  Alfred Cox

  sound department
• 
  Bill Warrington

  special effects
• 
  Brian Johnson

  special effects
• 
  Les Bowie

  visual effects
• 
  Nigel Kneale

  scriitor