Tim grew up in Dulwich, London and went to school at Brixton. Afterwards he attended Camberwell Art College which he left in order to pursue an acting career. His big break was the TV Movie Made in Britain. His film Meantime is one of his favorite movies. His first big screen movie was The Hit. His portrayal of Mr. Orange in Reservoir Dogs proved to be a huge breakthrough for Tim. As a result, Quentin Tarantino later case him in Pulp Fiction and Four Rooms.
Tim's first wife was Lori Baker. They have a son called Jack, born in 1983.
His second, and current, wife is Nikki Butler. They were married in 1993. They have two sons, Timothy Hunter, born in 1995 and Cormac, born in 1996.