Sergeant Wilson is a fictional character from the British television sitcom Dad's Army, which aired from 1968 to 1977. He is portrayed by actor John Le Mesurier and serves as the second-in-command of the local Home Guard unit during World War II. Known for his polite demeanor and slightly fussy personality, Wilson often acts as a mediator among the more eccentric members of the group. In the series, Sergeant Wilson is characterized by his gentlemanly behavior and his relationship with the unit's leader, Captain Mainwaring. His role often involves providing a more rational perspective in contrast to Mainwaring's authoritative style. Wilson's charm and wit contribute significantly to the show's humor and appeal.