Dad's ArmySeries 4Episode 13: The Fallen IdolBBC One Duration: 34 minutesFirst broadcast: Fri 18th Dec 1970, 20:00 on BBC One LondonLatest broadcast: Sat 14th Sep 2019, 18:40 on BBC Two WalesClassic sitcom about the Home Guard unit in a seaside town. The platoon goes on an exercise, but there are surprises in store for Captain Mainwaring.ContributorsCaptain George Mainwaring:Arthur LoweSergeant Arthur Wilson:John Le MesurierLance Corporal Jack Jones:Clive DunnPrivate James Frazer:John LauriePrivate Joe Walker:James BeckPrivate Charles Godfrey:Arnold RidleyPrivate Frank Pike:Ian LavenderCaptain Square:Geoffrey LumsdenProducer:David CroftWriter:Jimmy PerryWriter:David CroftGenresComedySitcomsBrandDad's ArmySeriesDad's Army: Series 4 Source: BBC Online