He also played in Zenon (Girl of the 21st Century) as Greg. During the film, Smith shared the longest on-screen kiss with Stephanie Sherrin, timed at almost six minutes. In 2005, Smith appeared in the comedy-drama film Kids in America, which had a regional release in the U.S. During Everwood's filming, Smith owned a home on location in Park City, Utah. For this role, Smith won a Young Artist Award for Best Performance in a TV series (Comedy or Drama) Leading Young Actor in 2003. His role on the show was described by The Independent Weekly as 'one of the best portrayals of a thoughtful, alienated teenager on television'. ĭuring the 2000s, Smith appeared in the Mel Gibson-led The Patriot (2000), played outlaw Jim Younger in the western American Outlaws (2001), was featured in the short-lived 2001 CBS drama series Kate Brasher, and was cast in a lead role on The WB Television Network show, Everwood, which became a success and ran from 2002 until June 2006.

Smith subsequently starred in another direct-to-video film, Shadow Zone: My Teacher Ate My Homework, and appeared in three 1998 films: Krippendorf's Tribe, playing one of the children of the title character, The Climb, a drama also starring John Hurt, and the film Small Soldiers, in which Smith had a lead role opposite Kirsten Dunst, and for which he won a Young Artist Award for Best Performance in a Feature Film Leading Young Actor in 1999.

Also in 1996, Smith appeared opposite Michelle Trachtenberg in Harriet the Spy. After a role in the 1994 children's film Andre, he starred in the 1995 direct-to-video release Leapin' Leprechauns! and its 1996 sequel, Spellbreaker: Secret of the Leprechauns.

Smith began acting when he was fourteen months old, and appeared in a Tide television commercial and in store catalogues. Smith has two brothers, including fellow actor Douglas Smith, and a sister.

Smith's mother appeared in several of the films that his father produced during the 1980s. Smith was born in Toronto, Ontario, the son of Terrea ( née Oster), a teacher from the United States, and Maurice Smith, a producer of low-budget films originally from the United Kingdom. Smith has appeared in several Hollywood films, and is known for his roles as Alan Abernathy in Small Soldiers, Ephram Brown on The WB television series Everwood, and as Dov Epstein on the ABC/ Global police drama series Rookie Blue. Gregory Edward Smith (born July 6, 1983) is a Canadian actor, writer, and director.

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