He enjoys doing magic tricks.
First job in acting was starring in a Ford Windstar commercial.
Tried out for the part of Harry Potter but lost to Daniel Radcliffe.
Started acting at age 6 shortly after his father died and at the urging of his mother.
His father, Bill Aiken, was a producer for MTV and Nickelodeon television programs, who died of cancer when Liam was two and a half years old.
Attended the 76th annual Academy Awards with his good friend Miles Robbins (son of Tim Robbins and Susan Sarandon). (February 29, 2004)
Plays the guitar.
Fan of punk music, and aspires to play the guitar like Rage Against the Machine's Tom Morello.
Turned down the role in The Sixth Sense (1999), which then went to Haley Joel Osment.
While out promoting the movie A Series of Unfortunate Events (2004)--a movie in which he plays a child who is orphaned when his parents are killed in a fire--his house burned down.
Has appeared in two films alongside Jude Law (Road to Perdition (2002) and A Series of Unfortunate Events (2004)) yet the two have never shared a scene.
Instead of getting tutored separately from his class, his on-set tutor actually brings him his school homework.
Has a Miniature Italian Greyhound named Kes, the dog was given to him as a gift by the crew of Good Boy (2003) (2003).
Freshman in High School, part of the class of 2008. [September 2004]
Currently attends high school in Englewood, New Jersey. He is part of the class of 2008. [December 2005]
Freshman at New York University's Kanbar Institute of Film & Television. [September 2008]
Filming Airborn, due May 2006. The film was never completed or released. [June 2005]