he played in several familymovies sch as Heaven sent, alaska, liitle big league and one of my favourites Masterminds.
In the last one he superbly portrays a young man who fights back when his school is siezed by terrorist because they want money from the executive from a milliondollar company whose daughter is attending the same school.
vincents sister is played by katie stuart , if you want to get to know him , i highly recommend you watch this vincent kartheiser movie.
His birthname is vincent paul kartheiser, but he is mostly referred to as vincent or vinnie (his nickname).
he trained in martial arts in preparation for the part of Connor on TV show 'Angel'.