• 
  William Cameron Menzies

  regizor

• 
  H.G. Wells

  scenarist

• 
  Raymond Massey
• 
  Ralph Richardson
• 
  Edward Chapman
• 
  Ann Todd
• 
  Anthony Holles
• 
  Pearl Argyle

  Catherine Cabal

• 
  Maurice Braddell

  Dr. Harding
• 
  Ivan Brandt

  Morden Mitani
• 
  Charles Carson

  Great Grandfather
• 
  Derrick De Marney

  Richard Gordon (as Derrick de Marney)
• 
  Cedric Hardwicke

  Theotocopulos
• 
  Patricia Hilliard

  Janet Gordon
• 
  Anne McLaren

  The Child

• 
  Margaretta Scott

  Roxana / Rowena (as Margueretta Scott)
• 
  Sophie Stewart

  Mrs. Cabal
• 
  Kenneth Villiers

  Maurice Passworthy
• 
  Patrick Barr
• 
  Noel Brophy
• 
  John Clements
• 
  Allan Jeayes
• 
  George Sanders
• 
  Abraham Sofaer
• 
  Terry-Thomas

• 
  Alexander Korda

  producător
• 
  Georges Périnal

  imagine
• 
  John Armstrong

  costume
• 
  René Hubert

  costume
• 
  Charles Crichton

  montaj
• 
  Francis D. Lyon

  montaj
• 
  H.G. Wells

  după un roman de