• 
  Roy William Neill

  regizor

• 
  Frank Gruber

  scenarist
• 
  Arthur Conan Doyle

  scenarist

• 
  Basil Rathbone

  Sherlock Holmes
• 
  Nigel Bruce

  Dr. John H. Watson
• 
  Alan Mowbray

  Major Duncan-Bleek
• 
  Dennis Hoey

  Inspector Lestrade
• 
  Frederick Worlock

  Prof. William Kilbane

• 
  Mary Forbes

  Lady Margaret Carstairs
• 
  Colin Kenny

  Constable
• 
  Harry Cording

  Mock the Coffin Maker
• 
  Leyland Hodgson

  Train Conductor
• 
  Billy Bevan

  Train Attendant
• 
  Renee Godfrey

  Vivian Vedder
• 
  Skelton Knaggs

  Sands

• 
  Geoffrey Steele

  Roland Carstairs
• 
  Boyd Davis
• 
  Gerald Hamer
• 
  Stuart Holmes
• 
  Janet Murdoch
• 
  C. Aubrey Smith

• 
  Roy William Neill

  producător
• 
  Maury Gertsman

  imagine
• 
  Vera West

  costume
• 
  Saul A. Goodkind

  montaj
• 
  Russell A. Gausman

  decoruri