After appearing in many high school plays at his selective state grammar school, Johnny dropped out at 17, to pursue acting full time. His very first popular film was Hackers (1995), alongside Angelina Jolie and Matthew Lillard. Later his co-star Angelina became his wife. They were divorced 4 years later. His entire family is into acting, all the way back to his grandparents. His films include Complicity (2000) and Disturbia (2007). He has a partnership in the production company, Natural Nylon, with Ewan McGregor and Jude Law. Currently, he stars in the series Elemantary as Sherlock Holmes.