A serial killer who calls himself "The Laughing Corpse" dresses up in a skeleton costume and kills his victims with a poison-filled scorpion-shaped ring.
as Inspektor Higgins
as Peggy Ward
as Sir Arthur
as Sir Cecil
as Der Fremde
as Adela
as Ramiro
as Dr. Brand
as Mr. Merryl
as Sabrina
as Mrs. Potter
as Mr. Potter
as Miss Finley
as Professor Bound
as Bannister
as Library Clerk
as Casper
as Secretary
as Captain
