Basil Rathbone

Character: Sherlock Holmes

Nigel Bruce

Character: Doctor Watson

Gerald Hamer

Character: Potts / Tanner / Ramson

Paul Cavanagh

Character: Lord Penrose

Arthur Hohl

Character: Emile Journet

Miles Mander

Character: Judge Brisson

Kay Harding

Character: Marie Journet

David Clyde

Character: Police Sergeant Thompson

Ian Wolfe

Character: Drake

Victoria Horne

Character: Nora

Al Ferguson

Character: Attendant (uncredited)

Olaf Hytten

Character: Hotel Day Desk Clerk (uncredited)

Bobby Hale

Character: Villager in Pub (uncredited)

Harry Allen

Character:

Gertrude Astor

Character:

Clyde Fillmore

Character:

Charles Francis

Character:

George Kirby

Character:

Pietro Sosso

Character: