One Way Pendulum

One Way Pendulum is a 1965 British comedy film directed by Peter Yates and starring Eric Sykes and George Cole. It is an adaptation of the play by N. F. Simpson. Plot Study of absurdity in a suburban family: father rebuilds the Old Bailey in the living room, and the son teaches weighing machines to sing in the attic. Cast Eric Sykes as Mr. Groomkirby George Cole as Defence counsel / friend Julia Foster as Sylvia Jonathan Miller as Kirby Peggy Mount as Mrs. Mara Gantry Alison Leggatt as Mrs. Groomkirby Mona Washbourne as Aunt Mildred Douglas Wilmer as Judge / Maintenance Man Glyn Houston as Detective Inspector Barnes Graham Crowden as Prosecuting Counsel / Caretaker Ken Farrington as Stan Walter Horsbrugh as Clerk of the Court / Drycleaner's Assistant Frederick Piper as Usher / Office Clerk Vincent Harding as Policeman / Bus Conductor Trevor Bannister as Groomkirby's colleague (uncredited) Tommy Bruce as Gormless (the voice of the 'Speak your Weight' machine). Production