The Assassination Bureau has existed for decades (perhaps centuries) until Diana Rigg begins to investigate it. The high moral standing of the Bureau (only killing those who deserve it) is called into question by her. She puts out a contract … Oliver Reed, Diana Rigg, Telly Savalas, Curd Jürgens, Philippe Noiret, Warren Mitchell, Beryl Reid Added on Amazon Prime 2023-03-27. Youtube Trailer