On screen
Cast
19 credited performers
Basil Rathbone
Sherlock Holmes
Nigel Bruce
Doctor Watson
Gerald Hamer
Potts / Tanner / Ramson
Paul Cavanagh
Lord Penrose
Arthur Hohl
Emile Journet
Miles Mander
Judge Brisson
Kay Harding
Marie Journet
David Clyde
Police Sergeant Thompson
Ian Wolfe
Drake
Victoria Horne
Nora
Al Ferguson
Attendant (uncredited)
Olaf Hytten
Hotel Day Desk Clerk (uncredited)
Artwork unavailable
Bobby Hale
Villager in Pub (uncredited)
Harry Allen
Character not listed
Gertrude Astor
Character not listed
Clyde Fillmore
Character not listed
Artwork unavailable
Charles Francis
Character not listed
Artwork unavailable
George Kirby
Character not listed
Pietro Sosso
Character not listed