Before he starred in Home Improvement, he started in Denver with print and television advertising. His interest in acting soon brought him to California, where he received the role of Brad, the oldest Taylor child, in the show Home Improvement. His character was known for experimenting with different hair styles as well as being the child most often in trouble.

In the middle of Home Improvement Bryan made an appearance as Steve on The Fresh Prince of Bel-Air in 1995. After Home Improvement ended, Bryan made brief appearances in many other television shows including (2002) Buffy the Vampire Slayer as Peter Nicols, (2005) Veronica Mars as Caz Truman, and (2006) Shark as Scott Natterson, as well as a guest appearance on an episode of Reading Rainbow. He also appeared on Smallville in 2003 where he played Eric Marsh, a high school baseball player using steroids made from meteor rock. He was the second Home Improvement alum to make a guest appearance on the show after Jonathan Taylor Thomas. In 2005, Bryan appeared as Bryan Nolan in ESPN's TV movie Code Breakers. Bryan also guest starred in Cold Case (as the young murderer in the flashback scenes) and more recently as a young man hiring a hitman to kill his stepmother on the show Burn Notice.

Bryan's film roles include the school bully in the 1996 Sinbad comedy First Kid. He starred in the 1995 movie Magic Island as Jack Carlisle, and the 1998 TV movie The Principal Takes A Holiday. He also starred as Eric in 1999's The Rage: Carrie 2. More recently, he had a small role as Clay in 2006's The Fast and the Furious: Tokyo Drift. He also played an extra in the 2009 TV mini-series Meteor, which aired on NBC.

He and his wife are working on a documentary with ESPN.

He has recently started a company, Vision Entertainment Group, which has already produced "The Strays", which will be released in 2010 and distributed by Lionsgate.

He also played Thor in the made-for-TV Syfy channel film Thor: Hammer of the Gods which aired on November 29th 2009.

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