Evans began his career on the stage, performing in many of London's West End productions such as Rent, Miss Saigon, and Piaf before getting his breakthrough role in Hollywood starring in the Clash of the Titans 2010 remake, playing Apollo. Following his debut, Evans was cast in such action and thriller films as Immortals (2011), The Raven (2012), and the re-imagined The Three Musketeers (2011), in which he played Aramis.
In 2013, Evans starred as the main antagonist Owen Shaw in the blockbuster Fast & Furious 6, and made a brief appearance as the character in the sequel, Furious 7. Evans also plays Bard the Bowman in Peter Jackson's three-part adaptation of J.R.R. Tolkien's The Hobbit. Evans also portrayed the vampire Dracula in the character's film origin story, Dracula Untold.