Obsada:

• Basil Rathbone Sherlock Holmes
• Nigel Bruce Dr. John H. Watson
• Patricia Morison Mrs. Hilda Courtney
• Edmund Breon Julian 'Stinky' Emery
• Frederick Worlock Colonel Cavanaugh
• Carl Harbord Inspector Hopkins
• Patricia Cameron Evelyn Clifford
• Holmes Herbert Ebenezer Crabtree
• Harry Cording Hamid
• Leyland Hodgson Tour Guide
• Mary Gordon Mrs. Hudson
• Ian Wolfe Commissioner of Scotland Yard
• Harry Allen Scottish Man at Auction
• Frank Baker Photographer
• Guy Bellis Doctor
• Wilson Benge Minister on Museum Tour
• Marjorie Bennett Antique Shop Assistant
• Ted Billings Pub Patron
• Lillian Bronson Minister's Wife
• Tom Dillon Detective Sergeant Thompson
• Topsy Glyn The Kilgour Child
• Charlie Hall Cab Driver
• Olaf Hytten Alfred - Auction House Bookkeeper
• Boyd Irwin Detective with X-ray Photos
• Tiny Jones Pub Patron
• Guy Kingsford Scotland Yard Undercover Convict in Dartmoor Prison
• William H. O'Brien Detective at Murder Scene
• Alexander Pollard Crabtree's Assistant at Auction
• Wallace Scott Joe Cisto
• Anita Sharp-Bolster Teacher on Museum Tour
• Sally Shepherd Tobacconist