Sherlock Holmes

Basil Rathbone

Acting

Dr. John H. Watson

Nigel Bruce

Acting

Mrs. Hilda Courtney

Patricia Morison

Acting

Colonel Cavanaugh

Frederick Worlock

Acting

Hamid

Harry Cording

Acting

Inspector Hopkins

Carl Harbord

Acting

Ebenezer Crabtree

Holmes Herbert

Acting

Julian 'Stinky' Emery

Edmund Breon

Acting

Evelyn Clifford

Patricia Cameron

Acting

Mrs. Hudson

Mary Gordon

Acting

Commissioner of Scotland Yard

Ian Wolfe

Acting

Tour Guide

Leyland Hodgson

Acting

Antique Shop Assistant (uncredited)

Marjorie Bennett

Acting

Detective at Murder Scene

William H. O'Brien

Acting

Photographer

Frank Baker

Acting

Sally Shepherd

Acting

Joe Cisto

Wallace Scott

Acting

Pub Patron (uncredited)

Jack Curtis

Acting

Convict at Dartmoor Prison (uncredited)

Cyril Delevanti

Acting

Cab Driver (uncredited)

Charlie Hall

Acting

Alfred - Auction House Bookkeeper (uncredited)

Olaf Hytten

Acting

Pub Patron (uncredited)

Frank Mills

Acting

Minister's Wife (uncredited)

Lillian Bronson

Acting

Pub Patron (uncredited)

Bobby Hale

Acting

Crabtree's Assistant at Auction (uncredited)

Alexander Pollard

Acting