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.
Inspektor Ward
Leila Smith
Nelly Oaks
Gregor Gubanow
Barnaby
Dr. Collins
Roger Lane
Mr. Broen
Sir John
Anna Smith
Rechtsanwalt
Big Willy
Sergeant Frank
Nurse
Betrunkener
Donovan
Nachtwächter
Polizist
Edgar Wallace ( Voice )
