The Crimson Circle

Hugh Wakefield (Derek Yale)Alfred Drayton (Insp. Parr)Niall MacGinnis (Jack Beardmore)June Duprez (Sylvia Hammond)Paul Blake (Sgt. Webster)Noah Beery (Felix Marl)Basil Gill (James Beardmore)Gordon McLeod (Brabazon)Renee Gadd (Millie Macroy)Ralph Truman (Lawrence Fuller)Robert Rendel (Commissioner)Monti DeLyleWilliam HartnellAndrew LeighHenry B. Longhurst (Inspector Clements)