Christian Slater was first seen in the Episode: "Sherlock Holmes" of the television entertainment series ‘Standing Room Only’ in 1981. After appearing in television series like "ABC Weekend Special" (1983), ‘Tales from the Darkside’ (1984), and ‘All My Children’ (1984), Slater made his big-screen debut in the 1985 American drama film ‘The Legend of Billie Jean’ directed by Matthew Robbins. The film received mixed to positive reviews from critics. The following year, he starred as ‘Adso of Melk’ in the historical mystery film ‘The Name of the Rose’ directed by Jean-Jacques Annaud. Even though the film opened to a mixed reception, it performed well at the box office. He next appeared in films like ‘Tucker: The Man and His Dream’ (1988), ‘Heathers’ (1989), ‘Gleaming the Cube’ (1989), ‘Young Guns II’ (1990), ‘Robin Hood: Prince of Thieves’ (1991), ‘Mobsters’ (1991), ‘Kuffs’ (1992), and ‘Untamed Heart’ (1993). In 1994, he starred as ‘Daniel Molloy’ in the American gothic horror film ‘Interview with the Vampire’ directed by Neil Jordan. The film received mostly positive reviews and was a box office success. That same year, he also appeared in the American comedy film ‘Jimmy Hollywood’ where he played the role of ‘William.’ While the film initially failed at the box office, it gained a cult following in subsequent years.
Slater went on to star in films like ‘Murder in the First’ (1995), ‘Bed of Roses’ (1996), ‘Julian Po’ (1997), ‘Hard Rain’ (1998), ‘The Contender’ (2000), ‘3000 Miles to Graceland’ (2001), ‘Hard Cash’ (2002), ‘Churchill: The Hollywood Years’ (2004), ‘Alone in the Dark’ (2005), ‘Bobby’ (2006), ‘He Was a Quiet Man’ (2007), ‘Igor’ (2008), ‘Dolan's Cadillac’ (2009), and ‘Quantum Quest: A Cassini Space Odyssey’ (2010). In 2011, he became a part of the American sitcom television series ‘Breaking In’ where he played the role of ‘Oz.’ The show went off-air in 2012. He continued to appear in television series and shows such as ‘Phineas and Ferb’ (2012), ‘Out There’ (2013), ‘Mind Games’ (2014), and ‘Archer’ (2014-2016). In 2015, he joined the main cast of the American drama thriller television series ‘Mr. Robot.’ He played the role of ‘Mr. Robot’ and remained a part of the series until it went off-air in 2019. In 2016, he portrayed ‘Stephen Kocis’ in the American biographical film ‘King Cobra’ directed by Justin Kelly. The film received mixed to positive reviews from critics. He was next seen in films like ‘The Summit’ (2017), ‘The Public’ (2018), and ‘We Can Be Heroes’ (2020). He was last seen voicing ‘The Narrator’ in the American adult animated superhero anthology series ‘The Boys Presents: Diabolical’ in 2022.