Christopher Hemsworth is an Australian actor. He is known for playing Kim Hyde in the Australian TV series Home and Away and Thor in the Marvel Cinematic Universe since 2011. Hemsworth has also appeared in the science fiction action film Star Trek, the thriller adventure A Perfect Getaway, the horror comedy The Cabin in the Woods, the dark-fantasy action film Snow White and the Huntsman, the war film Red Dawn), and the biographical sports drama film Rush.

In 2015, he starred in the action thriller film Blackhat, had a comedic role in the fifth installment of National Lampoon's Vacation series, Vacation, and headlined the biographical thriller film In the Heart of the Sea. The following year, Hemsworth had a supporting role in Sony's reboot of Ghostbusters. Hemsworth will reprise his role as George Kirk in the upcoming Star Treksequel.

Hemsworth was a contestant on the fifth season of Dancing with the Stars Australia, partnered with professional dancer Abbey Ross. The season premiered on 26 September 2006, and after six weeks, Hemsworth was eliminated.

In 2009, Hemsworth portrayed James T. Kirk's father, George Kirk, in the opening scenes of J. J. Abrams' film Star Trek. He played the character Kale in the thriller A Perfect Getaway the same year. He went on to play Sam in 2010's Ca$h, which was the first film he shot when he arrived in the United States. Sony Pictures announced in 2011 that Hemsworth would star in the thriller Shadow Runner, which did not subsequently go into production as of 2014.

He is best known for his role as the Marvel Comics superhero Thor in the 2011 Marvel Studios film Thor. He and castmate Tom Hiddleston, who ultimately played Loki, had each auditioned for the role, for which Hemsworth said he put on 20 pounds of muscle. Hemsworth reprised the role in the 2012 film The Avengers as one of the six superheroes sent to defend Earth from his adopted brother, Loki, and in Thor: The Dark World, the 2013 sequel to Thor.

He starred in the horror film The Cabin in the Woods, which was shot shortly after the release of Star Trek but went unreleased until 2012. It led Hemsworth to audition for the role of Thor at Joss Whedon's insistence. Also that year, Hemsworth starred opposite Kristen Stewart in the film Snow White and the Huntsman as the Huntsman. He also played Jed Eckert in the 2012 Red Dawn remake, a role he was cast in after MGM saw dailies footage of a scene from Cabin in the Woods. Hemsworth received the part of Thor two days after being hired for Red Dawn. In 2013, Hemsworth starred in Ron Howard's sports drama film Rush, alongside Daniel Brühl as 1976 Formula 1 World Champion James Hunt. People magazine, in an annual feature, named him its 2014 "Sexiest Man Alive."

In 2015, Hemsworth starred in director Michael Mann's action thriller Blackhat, opposite Viola Davis, and reprised his role of Thor for the fourth time in the sequel to The Avengers, Avengers: Age of Ultron. Hemsworth returned to the set of Home and Away in November 2014 to film a scene as an extra and not as his character Kim Hyde. He appeared in the episode broadcast on 19 May 2015. Also in 2015, he co-starred in the comedy film Vacation, along with Ed Helms, a revival of the film series that originally starred Chevy Chase. His last 2015 film was In the Heart of the Sea, based on the book of the same name by Nathaniel Philbrick, with Hemsworth playing first mate Owen Chase. In 2016, Hemsworth reprised the role of Eric the Huntsman in The Huntsman: Winter's War and also portrayed Kevin the receptionist in Ghostbusters.

Hemsworth also reprised his role as Thor in Thor: Ragnarok, released on November 3, 2017 in the United States, and will reprise his role in the two upcoming films Avengers: Infinity War and its untitled sequel, scheduled for release in 2018 and 2019. He will also reprise his role as George Kirk in the fourth film of the rebooted Star Trek film series.