Brian Tomas Krause was born in Lake Forest on February 1, 1969. The actor became famous in 1991 thanks to the film Return to the Blue Lagoon by William A. Graham, moreover, always in the same year, he joined the cast of the film The experience American. In 1992 he became the protagonist of the film I sonnambuli.
He takes part, in 1996, in the film Within the Rock, instead starting from 1998 he joined the cast of the Charmed series playing the role of Leo Wyatt, until the end of the series in 2006.
In 2007 he was one of the protagonists of the film The Devil's Diary while in 2010 he starred in Growth.
The actor has a son, Jamen, from his ex-wife. Brian loves golf, baseball and karate, sports that he has been playing since his teens. Before becoming an actor he wanted to study medicine. The actor was married to Beth Bruce from 1996 to 2000. From August 2001 to January 2002 he had a relationship with his colleague Alyssa Milano with whom he starred in Charmed. He has been romantically linked to Australian model Imogen Bailey since 2005.