Thewlis had a minor role in an episode of the 1980s sitcom Up the Elephant and Round the Castle. He also appeared in an episode of popular sitcom Only Fools and Horses (1985) as a friend of Rodney. His first professional role was in the play Buddy Holly at the Regal in Greenwich. Thewlis's breakout role was Naked (1993; dir. Mike Leigh), as the main character, Johnny, a homeless, highly intelligent, embittered, rambling street philosopher, for which Thewlis was named Best Actor by the National Society of Film Critics (United States), the London Film Critics Circle, the Evening Standard, the New York Film Critics' Circle and the Cannes Film Festival. That same year, he appeared on television as a sexual predator named James Jackson in Prime Suspect 3, opposite Helen Mirren and Ciarán Hinds. Before that, his first television appearance was in Valentine Park. During the 1990s, Thewlis appeared in a variety of films, mostly fantasy and period, including Restoration (1995), Black Beauty