• 
  Terence Fisher

  regizor

• 
  Oliver Reed

  Nightclub Bouncer
• 
  Christopher Lee

  Paul Allen
• 
  Glenn Beck

  Young Blood
• 
  Walter Gotell

  Second Gambler
• 
  Paul Massie

  Dr. Henry Jekyll / Mr. Edward Hyde
• 
  Francis De Wolff

  Detectiv
• 
  David Kossoff

  Dr. Ernst Littauer

• 
  Lucy Griffiths

  Tavern Woman
• 
  Frank Atkinson
• 
  William Kendall

  Clubman
• 
  Doug Robinson

  Boxer
• 
  Denis Shaw

  Tavern Customer
• 
  Anthony Jacobs

  Third Gambler

• 
  Jack Asher

  imagine

• 
  Monty Norman

  departament sunet
• 
  Mayo

  costume
• 
  Molly Arbuthnot

  costume and wardrobe departmen
• 
  Eric Boyd-Perkins

  montaj
• 
  James Needs

  editorial department
• 
  Michael Carreras

  producător
• 
  Bernard Robinson

  design de producţie
• 
  John Peverall

  second unit director or assist
• 
  Archie Ludski

  sound department
• 
  Wolf Mankowitz

  scriitor