Guy Edward Pearce (born 5 October 1967) is an Australian actor. Born in Ely, Cambridgeshire, and raised in Geelong, he started his career portraying Mike Young in the Australian television series Neighbours. He received international attention for his breakout role in The Adventures of Priscilla, Queen of the Desert (1994) and subsequently took starring roles in Curtis Hanson’s L.A. Confidential (1997), Christopher Nolan’s Memento (2000) and Simon Wells’s The Time Machine (2002). Pearce is known for his performances in the film adaptation of Cormac McCarthy’s The Road (2009), Kathryn Bigelow’s war drama The Hurt Locker (2009) and Tom Hooper’s historical drama The King’s Speech (2010). He has appeared in Ridley Scott’s Prometheus (2012), the Marvel action film Iron Man 3 (2013), Alien: Covenant (2017), and the historical biopic Mary Queen of Scots (2018).

In Australian cinema, he has appeared in The Proposition (2005), Animal Kingdom (2010), 33 Postcards (2011), The Rover (2014), Holding the Man (2015) and The Wizards of Aus (2016). Since 2012, he has played the title role in the TV adaptations of the Jack Irish stories by Australian crime writer Peter Temple. Pearce starred in Todd Haynes’ limited series Mildred Pierce (2011) and the HBO crime miniseries Mare of Easttown. Pearce won a Primetime Emmy Award for Mildred Pierce and has received numerous award nominations including for a Golden Globe Award, three Screen Actors Guild Awards and an Australian Academy Film Award.

IndieWire named him one of the best actors never to have received an Academy Award nomination.