Which theatres have been used in films? Was a real used theatre in 1973 "Theatre of Blood". With Vincent Price, Diana Rigg, Robert Morley & Eric Sykes 1943 "Theatre Royal" Bud Flanagan, Chesney Allen 1949 "Murder at the Windmill" Jon Pertwee, Jimmy Edwards 1935 / 1959 / 1978 "The 39 steps" 1954 "One Good Turn" Norman Wisdom Was the "Mermaid theatre" London once used for filming?