Casts
Basil Rathbone
as Sherlock Holmes
Nigel Bruce
as Dr. John Watson
Hillary Brooke
as Lydia Marlowe
Henry Daniell
as Professor James Moriarty
Paul Cavanagh
as Sir George Fenwick
Matthew Boulton
as Inspector Gregson
Eve Amber
as Maude Fenwick
Frederick Worlock
as Dr. Onslow
Coulter Irwin
as Corporal Williams
Sally Shepherd
as Crandon
