King of the Underworld
A sinister crook is implicated in blackmail, greed for emeralds, a secret formula and murder. Thee episodes from a 1952 British television series called "Inspector Morley, Late of Scotland Yard, Investigates" were joined together and released theatrically.
Top Billed Cast

Tod Slaughter
Terence Reilly

Patrick Barr
Insp. Morley
Tucker McGuire
Eileen Trotter

Ingeborg von Kusserow
Marie (as Ingeborg Wells)
Frank Hawkins
Insp. Cranshaw
Featured Crew
W.L. Trytel
Music
Gilbert Church
Producer
Victor M. Gover
Director
Don Chaffey
Art Direction
Helen Wiggins
Editor

John Gilling
Writer
Harry Webber
Makeup Artist
Peter Birch
Sound Recordist
S.D. Onions
Director of Photography
Gladys Reeve
Continuity
John Workman
Assistant Director