• 
  Roy William Neill

  regizor

• 
  Roy William Neill

  scenarist
• 
  Paul Gangelin

  scenarist
• 
  Brenda Weisberg

  scenarist
• 
  Arthur Conan Doyle

  scenarist

• 
  Basil Rathbone

  Sherlock Holmes
• 
  Nigel Bruce

  Doctor Watson
• 
  Gerald Hamer

• 
  Paul Cavanagh
• 
  Arthur Hohl
• 
  Miles Mander
• 
  Kay Harding
• 
  David Clyde
• 
  Ian Wolfe
• 
  Victoria Horne

• 
  Harry Allen
• 
  Gertrude Astor
• 
  Frank Austin
• 
  Brandon Beach
• 
  Ted Billings
• 
  Bob Burns
• 
  Bill Cartledge
• 
  Al Ferguson
• 
  Clyde Fillmore
• 
  Olaf Hytten
• 
  Jack Kenny
• 
  George Kirby
• 
  Eric Mayne
• 
  Phil Schumacher
• 
  Jack Tornek
• 
  Eric Wilton

• 
  Roy William Neill

  producător
• 
  George Robinson

  imagine
• 
  Paul Landres

  montaj
• 
  Paul Sawtell

  coloană sonoră
• 
  Russell A. Gausman

  decoruri
• 
  Ira Webb

  decoruri