A serial killer named The Shark is terrorizing London by killing his victims with a speargun and then, dressed in a scruba-diver's wetsuit, using the city's sewer tunnels to make his getaway.
as Inspektor Ward
as Leila Smith
as Nelly Oaks
as Gregor Gubanow
as Barnaby
as Dr. Collins
as Roger Lane
as Mr. Broen
as Sir John
as Anna Smith
as Rechtsanwalt
as Big Willy
as Sergeant Frank
as Nurse
as Betrunkener
as Donovan
as Nachtwächter
as Polizist
as Edgar Wallace ( Voice )