Wood made his film debut with a minor part in Back to the Future Part II (1989). Landing a succession of larger roles, he was critically acclaimed as a child actor by age nine, being nominated for several Young Artist Awards. Notable films during this period include Avalon (1990), Paradise (1991), Radio Flyer, Forever Young (both 1992), The Adventures of Huck Finn and The Good Son (both 1993). He then transitioned into teenage roles with the films North, The War (both 1994), Flipper (1996), The Ice Storm (1997), Deep Impact and The Faculty (both 1998). Following The Lord of the Rings, he has chosen varied roles in films such as Eternal Sunshine of the Spotless Mind (2004), Sin City, Green Street, Everything Is Illuminated (all 2005), Paris, je t'aime, Bobby (both 2006), Celeste and Jesse Forever, Maniac (both 2012), Grand Piano (2013), The Last Witch Hunter (2015), The Trust (2016), and I Don't Feel at Home in This World Anymore (2017).