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'.
Patrick Barr
Alexander Knox
Wilfrid Lawson
Sonnie Hale
Louise Henry
John Longden
Patricia Roc
Peter Croft
Arthur Hambling
George Merritt
John Turnbull
Charles Eaton
Cameron Hall