• Tim Sullivan

  regizor

• Arthur Conan Doyle

  scenarist

• Jeremy Brett

  Sherlock Holmes
• Edward Hardwicke

  Dr. Watson
• Charles Kay

  Professor Presbury
• Adrian Lukis

  Jack Bennett
• Sarah Woodward

  Edith Presbury
• Anna Mazzotti

  Alice Morphy

• James Tomlinson

  Macphail
• Peter Guinness

  Wilcox
• Steve Swinscoe

  Jenkins
• Colin Jeavons

  Inspector Lestrade
• Anthony Havering

  Secretary of the Zoological Society
• Peter Elliott

  Great Ape

• Michael Cox

  producător