• 
  Don Siegel

  regizor

• 
  Daniel Mainwaring

  scenarist
• 
  Jack Finney

  scenarist
• 
  Richard Collins

  scenarist

• 
  Kevin McCarthy

  Dr. Miles J. Bennell
• 
  Larry Gates

  Dr. Dan 'Danny' Kauffman
• 
  Dana Wynter

  Becky Driscoll
• 
  Dabbs Greer

  Mac Lomax

• 
  Virginia Christine

  Wilma Lentz
• 
  Whit Bissell

  Dr. Hill
• 
  Sam Peckinpah

  Charlie (meter reader)
• 
  Jean Willes

  Sally Withers
• 
  Frank Hagney

  Rol de o replică
• 
  Tom Fadden

  Ira Lentz
• 
  Jean Andren

  Eleda Lentz

• 
  Carolyn Jones

  Theodora 'Teddy' Belicec
• 
  Richard Deacon

  Dr. Harvey Bassett
• 
  Bobby Clark

  Jimmy Grimaldi
• 
  King Donovan

  Jack Belicec
• 
  Ralph Dumke

  Nick Grivett
• 
  Beatrice Maude

  Grimaldi
• 
  Kenneth Patterson

  Stanley Driscoll
• 
  Eileen Stevens

  Anne Grimaldi
• 
  Guy Way

  Sam Janzek
• 
  Everett Glass

  Dr. Ed Pursey
• 
  Pat O'Malley
• 
  Guy Rennie
• 
  Marie Selland
• 
  Harry J. Vejar
• 
  Robert Osterloh

• 
  Ellsworth Fredericks

  imagine
• 
  Carmen Dragon

  departament sunet
• 
  Robert S. Eisen

  montaj
• 
  Carmen Dragon

  coloană sonoră
• 
  Carmen Dragon

  music department
• 
  Ted Haworth

  design de producţie
• 
  Joseph Kish

  decoruri
• 
  Joseph Kish

  set decorator
• 
  Richard Collins

  scriitor
• 
  Daniel Mainwaring

  scriitor
• 
  Jack Finney

  scriitor