Malcolm McDowell (born Malcolm John Taylor, 13 June 1943) is an English actor. He first became known for portraying Mick Travis in Lindsay Anderson's If.... (1968), a role he later reprised in O Lucky Man! (1973) and Britannia Hospital (1982). His performance in If.... prompted Stanley Kubrick to cast him as Alex in A Clockwork Orange (1971), the role for which McDowell became best known. McDowell's other notable film credits include The Raging Moon (1971), Time After Time (1979), Caligula (1979), Cat People (1982), Blue Thunder (1983), The Caller (1987), Star Trek Generations (1994), Tank Girl (1995), Mr. Magoo (1997), Gangster No. 1 (2000), The Company (2003), Evilenko (2004), Easy A (2010), The Artist (2011), and Bombshell (2019). He also played Dr. Samuel Loomis in the 2007 remake of Halloween and its 2009 sequel. On television, he had recurring roles on Entourage (2005–2011), The Mentalist (2008–2015), and Heroes (2006–2007), and starring roles in Fantasy Island (1998), Franklin & Bash (2011–2014), Mozart in the Jungle (2014–2018), and Son of a Critch (2022–2026). He has also voiced characters in various animated shows, films and video games, including Metallo in Superman: The Animated Series (1996–1999), Vater Orlaag in Metalocalypse (2007–2013, 2023), Dr. Calico in Bolt (2008), President John Henry Eden in Fallout 3 (2008), Molag Bal in The Elder Scrolls Online (2014), and Dr. Monty in Call of Duty: Black Ops III (2016). McDowell is the recipient of an Evening Standard British Film Award, alongside nominations for Golden Globe and Screen Actors Guild Awards. He received a star on the Hollywood Walk of Fame in 2012.