All Cast
Basil Rathbone
Sherlock Holmes
Nigel Bruce
Dr. John Watson
Aubrey Mather
Alastair
Paul Cavanagh
Simon Merrivale
Dennis Hoey
Inspector Lestrade
Harry Cording
John Simpson
Holmes Herbert
Alan Cosgrave
Sally Shepherd
Mrs. Monteith
Gavin Muir
Chalmers
Florette Hillier
Alison MacGregor
David Clyde
Alex MacGregor
Doris Lloyd
Bessie
Cyril Delevanti
Stanley Raeburn (uncredited)
Alec Craig
Angus (uncredited)
Richard Alexander
Ralph King (uncredited)
