• 
  Steve Barron

  regizor

• 
  David Stevens

  scenarist
• 
  Peter Barnes

  scenarist

• 
  Isabella Rossellini

  Nimue
• 
  Sam Neill

  Merlin
• 
  Helena Bonham Carter

  Morgan Le Fey
• 
  Miranda Richardson

  Mab
• 
  Martin Short

  Frik

• 
  James Earl Jones

  regele muntelui (voce)
• 
  John Gielgud

  King Constant
• 
  Rutger Hauer

  King Vortigern
• 
  Lena Headey

  Guinevere
• 
  Jason Done

  Mordred
• 
  Billie Whitelaw

  Ambrosia
• 
  John McEnery

  Lord Ardente

• 
  Timothy Bateson

  Father Abbot
• 
  Daniel Brocklebank

  Young Merlin
• 
  Joseph Mawle

  Village Man
• 
  Mark Jax

  Uther
• 
  Sebastian Roché

  Gawain
• 
  Janine Eser

  Lady Elaine
• 
  John Turner

  Lord Lot
• 
  Nicholas Clay

  Lord Leo
• 
  Nickolas Grace

  Sir Egbert
• 
  Jeremy Sheffield

  Lancelot
• 
  Thomas Lockyer

  Cornwall
• 
  Vernon Dobtcheff

  1st Physician
• 
  Peter Eyre

  Chief Physician
• 
  Roger Ashton-Griffiths

  Sir Boris

• 
  Dyson Lovell

  producător
• 
  Sergei Kozlov

  imagine
• 
  Colin Green

  montaj
• 
  Robert Halmi Sr.

  producător executiv
• 
  Trevor Jones

  coloană sonoră