|Actor||Frank C. Turner|
|Film Appearance?||Yes (as Troopmaster Barrett)|
Mr. Barrett is the troopmaster of Troop 133, which is the troop Greg and Rowley were members of in The Last Straw and in the Dog Days film. When Greg and Rowley couldn't carve a woodblock into a model, Mr. Barrett gives them soap instead. He once announced a father-son camp-out. He is played by Frank C. Turner in the film Dog Days.