Tanner James Maguire has many appearances which can be found at IMDb. Some Credits include as:
Young Barney in the TV series, How I Met Your Mother, episode Right Place Right Time, 5/4/2009.
Young Tom in the TV series, Lost, episode The Incident, 5/13/2009.
Jack in the TV series, House, episode Instant Karma, 10/12/2009.
Henry in the TV series, Brothers & Sisters, episode The Science Fair, 1/10/2010.
From How I Met Your Mother, episode Right Place Right Time:
From Brothers & Sisters:
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