Ewan Gordon McGregor OBE (/ˈjuːən/ YOO-ən; born 31 March 1971) is a Scottish actor who has starred in numerous film and musical roles. His first professional role was in 1993, as a leading role in the British Channel 4 series Lipstick on Your Collar. He has also portrayed heroin addict Mark Renton in the drama films Trainspotting (1996) and T2 Trainspotting (2017), Obi-Wan Kenobi in the Star Wars prequel trilogy (1999–2005), poet Christian in the musical film Moulin Rouge! (2001), SPC John Grimes in Black Hawk Down (2001), young Edward Bloom in Big Fish (2003), Rodney Copperbottom in Robots (2005), Camerlengo Father Patrick McKenna in Angels and Demons (2009), "the ghost" in Roman Polanski's political thriller The Ghost Writer (2010), Dr. Alfred Jones in the romantic comedy-drama Salmon Fishing in the Yemen (2011), Lumière in the live-action adaptation of the musical romantic fantasy Beauty and the Beast (2017), the adult version of the titular character in the fantasy comedy-drama Christopher Robin (2018), the adult version of Dan Torrance in the horror film Doctor Sleep (2019), and Black Mask in the DC Extended Universe superhero film Birds of Prey (2020). In 2021, he portrayed fashion designer Halston in a Netflix miniseries Halston.
In 2018 McGregor won a Golden Globe Award for Best Actor – Miniseries or Television Film for his performance as brothers in the third season of FX anthology series Fargo, and received Golden Globe nominations for Best Actor – Musical or Comedy for both Moulin Rouge! and Salmon Fishing in the Yemen. McGregor has also starred in theatre productions of Guys and Dolls (2005–2007) and Othello (2007–2008). He was ranked number 36 on Empire magazine's "The Top 100 Movie Stars of All Time" list in 1997. In a 2004 poll for the BBC, McGregor was named the fourth most influential person in British culture.
McGregor has been involved in charity work and has served as an ambassador for UNICEF UK since 2004. In 2013 he was appointed an Officer of the Order of the British Empire (OBE) for services to drama and charity. In 2016 he received the BAFTA Britannia Humanitarian Award. He took American citizenship in 2016.