Bret Harrison is an American actor best known for his starring role as next-door neighbour Brad O'Keefe on the television sitcom Grounded for Life, from 2001-2005.
He also starred as Cameron Price in the television comedy series Breaking In, from 2011-2012.
In 2006 he starred in The Loop, which was cancelled after one season.
Harrison has also made guest appearances on That '70s Show and The O.C. as Danny, Seth's rival; he had a dramatic guest role on Law & Order: Special Victims Unit as Sam Cavanaugh, a young sexual abuse victim.
He also starred in the first season of MTV's Undressed and the MTV film Everybody's Doing It. In film, he appeared alongside Jack Black and Colin Hanks in Orange County (2002).
He played the lead role of Sam Oliver in the comedy-drama series Reaper (2007-2009) and recurred as Dr. Sidney Miller in the reimagined V, in 2011.
While he is not acting, he writes music and plays guitar in his band, Big Japan, with friend Adam Brody.