When he was two and a half years old, Logan told his mother that he wanted to be an actor. At the age of four, Logan had an agent and was booked for two commercials. His first appearance on the big screen was as William, the youngest son of Mel Gibson's character in The Patriot (2000). Also in 2000, he appeared with the same actor (Gibson), this time as the younger version of his character Nick Marshall, in What Women Want (2000). After a small role in 2001's Riding in Cars with Boys (2001), he starred in John Grisham's A Painted House (2003).