Liam Pádraic Aiken (born January 7, 1990) is an American actor. He has starred in films such as Stepmom (1998), Road to Perdition (2002), and Good Boy! (2003), and played Klaus Baudelaire in Lemony Snicket's A Series of Unfortunate Events (2004), based on the series of books. He also starred in the films Nor'easter (2012), Ned Rifle (2014), The Bloodhound (2020), and Bashira (2021).
