Based on the novel by Edgar Wallace, detectives at Scotland Yard try and track down The Crimson Circle, a secret society of blackmailers
Director
Reginald Denham
Noah Beery
Felix Marl
Hugh Wakefield
Derek Yale
Alfred Drayton
Insp. Parr
Niall MacGinnis
Jack Beardmore
June Duprez
Sylvia Hammond
Basil Gill
James Beardmore
Gordon McLeod
Brabazon
Renee Gadd
Millie Macroy
Ralph Truman
Lawrence Fuller
Robert Rendel
Commissioner
William Hartnell
US
GB
