
"Edgar Wallace's Greatest Thriller"
A lawyer receives a note telling him that he'll be dead in 48 hours - and Scotland Yard must work fast to uncover the serial killer known as 'The Ringer'.
Det. Insp. Alan Wembury

Dr Anthony Lomond

Maurice Meister

Samuel Cuthbert 'Sam' Hackett

Cora Ann Milton

Inspector Bliss

Mary Lenley

John Lenley
Det. Sgt. Richards

Police Station Sergeant

Prison Governor

Col. Walford

Drunken Scotsman (uncredited)
