Krause landed his first role in 1989 as a student in the TV series TV 101, the episode was titled Kangaroo Gate. He later starred in the made-for-TV-movie Match Point, Highway to Heaven, "CBS Schoolbreak Special" as Matt Henderson, and An American Summer until he landed his first major role as Richard Lestrange in Return to the Blue Lagoon. This was the launch of his career. He would later film the Bandit series and would land his most notable role of Leo in the WB Network series Charmed (1998-2006). Brian originally auditioned for the role of Andy Trudeau but was cast as Piper's handyman love interest, Leo Wyatt. Due to budgets in the 8th season, he was only able to appear in the first 9 episodes before his character was cut in the 10th episode "Vaya Con Leos". It was explained that he had to be frozen until the Charmed Ones beat the "Ultimate Power". Luckily, he was able to appear in the end of part 1 of the series finale, "Kill Billie Vol. 2" and in part 2 of the series finale, "