(written from a Production point of view)
Chris Hemsworth (born 11 August 1983; age 38) is the Australian actor who played George Kirk in Star Trek. Some of his lines from this film were later used in the 2013 sequel, Star Trek Into Darkness. Before making the transition to Hollywood, he was best known in his native Australia for his Logie Award-winning role as Kim Hyde in the Australian soap opera Home and Away. Though he first achieved recognition in the United States for his performance in the opening minutes of Star Trek, he has since acquired a higher profile for playing Marvel Comics character Thor in the Marvel Cinematic Universe films which includes Thor (2011), Marvel's The Avengers (2012), Thor: The Dark World (2013), Avengers: Age of Ultron (2015), Thor: Ragnarok (2017), Avengers: Infinity War (2018), and Avengers: Endgame (2019).
For his work on Star Trek, Hemsworth received a Boston Society of Film Critics Award in 2009 in the category Best Ensemble Cast. The 2013 virtual collectible card battle game Star Trek: Rivals is using his picture for card #76, Acting Captain G. Kirk.
Early life and career
Hailing from Phillip Island near Melbourne, Hemsworth starred as King Arthur in the short-lived Australian children's show Guinevere Jones. He then guest-starred on several other shows before winning his role on Home and Away. He also appeared in the Australian version of the dance competition series Dancing with the Stars, but he and his dance partner, Abbey Ross, were the sixth couple eliminated.
In 2007, Hemsworth shot an independent film called Ca$h! (formerly Root of All Evil) with Mike Starr. Although Star Trek was released first, Ca$h! was Hemsworth's first feature film and his first American production. It was released in March 2010.
After Star Trek
Hemsworth had completed shooting on Star Trek and was back in Australia by 9 December 2007. Regarding his time in Hollywood, the actor says "I got lucky, I guess – right place, right time."  Hemsworth's voice was used in an audio flashback in the sequel Star Trek Into Darkness.
After completing his work on Star Trek, Hemsworth landed a supporting role in A Perfect Getaway, a thriller released by MGM in August 2009. This film starred Timothy Olyphant, who was considered for a role in 2009's Star Trek. 
Hemsworth starred in the MGM horror/thriller film The Cabin in the Woods, which was co-written and produced by Joss Whedon. The film was directed and co-written by Drew Goddard, who worked with Star Trek director and producer J.J. Abrams as a writer and producer on the series Alias and Lost and as writer of the film Cloverfield.  Although filmed in 2009, The Cabin in the Woods was not released until 2012.
Hemsworth also appeared in the short film Ollie Klublershturf vs the Nazis opposite Star Trek co-star Rachel Nichols. This project was written by Star Trek producer Damon Lindelof and cast by Star Trek casting director, Alyssa Weisberg. Lindelof and Weisberg also served as producers on the film.
It was announced on 16 May 2009 that Hemsworth had been cast in the role of Thor, the mythical God of Thunder, in the film Thor, based on the Marvel Comics character. Directed by Kenneth Branagh, filming on Thor ended on 6 May 2010, and the film was released by Paramount Pictures exactly one year later. The film featured cameos from comic book writers J. Michael Straczynski (who co-wrote the story), Stan Lee, and Walter Simonson. The film also starred Idris Elba.
Hemsworth reprised the role of Thor in the 2012 release Marvel's The Avengers, in which his character joins forces with others to form the titular superhero team. Damion Poitier made an appearance in the post-credits scene of The Avengers (which featured Kenneth Tigar in a small role). Hemsworth also reprised his role as Thor in the sequels Thor: The Dark World (2013, with Alice Krige), Avengers: Age of Ultron (2015), and Avengers: Infinity War (all with Elba again), Avengers: Endgame (2019) and uncredited in Doctor Strange, starring Benedict Cumberbatch.
Hemsworth played The Huntsman in Snow White and the Huntsman (2012, with Chris Obi) and returned to the role in the 2016 sequel The Huntsman: Winter's War. He also starred in Red Dawn, a 2012 remake of the 1984 thriller of the same name. His co-stars in this film included Jeffrey Dean Morgan and Brett Cullen.
Hemsworth's other films include the bio-pic Rush (2013), in which he stars as Formula One driver James Hunt, and the drama In the Heart of the Sea (2014), both directed by Ron Howard and Michael Mann's crime thriller Blackhat (2015).
In 2016, Hemsworth joined the cast of the reboot of the science fiction comedy Ghostbusters. He played Kevin, the male secretary to the all-female Ghostbusters.
Most recently, Hemsworth starred as Captain Mitch Nelson in 12 Strong, released in 2018.