Sherlock Holmes investigates when young women around London turn up murdered, each with a finger severed. Scotland Yard suspects a madman, but Holmes believes the killings to be part of a diabolical plot.

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

Percival Vivian
as Dr. Simnell

Coulter Irwin
as Corporal Williams
CinemaSerf
This is maybe not one of the better of the fourteen outings for Messrs. Rathbone and Bruce, but it's still a thoroughly enjoyable watch as "Holmes" and "Watson" have to get to the bottom of a mystery that involves a series of apparently unrelated killings linked only by the fact that each victim has...