Kieran Culkin is an American actor. He started his Hollywood career as a child along with his elder brother Macaulay Culkin the Home Alone films where he played Fuller McCallister. He next starred as Matty Banks in the film Father of the Bride, which got him a Young Artist nomination. He reprised his role in the movie Father of the Bride Part II. He played Kevin Dillon in the movie The Mighty, as well as played Simon Boggs in She’s All That. His next role was as Buster in the movie The Cider House Rules. In the 2000s, he had notable roles in the films The Dangerous Lives of Altar Boys and Igby Goes Down. His performance in the latter earned him a Golden Globe nomination. In 2010, he played Wallace Wells in the movie Scott Pilgrim vs. the World. His latest role was in the 2017 film Infinity Baby.