Dad's Army is a 1971 British war comedy film and the first film adaptation of the BBC television sitcom Dad's Army (1968–1977). Directed by Norman Cohen, it was filmed between series three and four and was based upon material from the early episodes of the television series. The film tells the story of the Home Guard platoon's formation and their subsequent endeavours at a training exercise. The film version of the television series comprises the following cast members: Arthur Lowe (Captain George Mainwaring), John Le Mesurier (Sergeant Arthur Wilson), Clive Dunn (Lance Corporal Jack Jones), John Laurie (Private James Frazer), Arnold Ridley (Private Charles Godfrey), Ian Lavender (Private Frank Pike) and James Beck (Private Joe Walker).