Basil Rathbone

Sherlock Holmes

Acting

Nigel Bruce

Doctor Watson

Acting

Gerald Hamer

Potts / Tanner / Ramson

Acting

Paul Cavanagh

Lord Penrose

Acting

Arthur Hohl

Emile Journet

Acting

Miles Mander

Judge Brisson

Acting

Kay Harding

Marie Journet

Acting

David Clyde

Police Sergeant Thompson

Acting

Ian Wolfe

Drake

Acting

Victoria Horne

Nora

Acting

Al Ferguson

Attendant (uncredited)

Acting

Olaf Hytten

Hotel Day Desk Clerk (uncredited)

Acting

Bobby Hale

Villager in Pub (uncredited)

Acting

Harry Allen

Acting

Gertrude Astor

Acting

Clyde Fillmore

Acting

Charles Francis

Acting

George Kirby

Acting

Pietro Sosso

Acting