VIDEO: Watch Luke Evans Give an Impromptu Performance of 'Summertime' at Sundance

Luke Evans gave an impromptu a capella performance of George Gershwin's "Summertime" at the Sundance Film Festival during a Q&A with The Alienist costars Dakota Fanning and Daniel Brühl. Watch the video, originally posted by People, below!

Before the performance, Evans talked about his love for singing and how it got his foot in the door to begin his acting career. The audience, including Elle Fanning, Dakota's younger sister, went wild when Evans broke out into song.

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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 Hollywood breakthrough role starring in the Clash of the Titans 2010 remake. 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 2013, Evans starred as the main antagonist Owen Shaw in the blockbuster Fast & Furious 6, and also played Bard the Bowman in Peter Jackson's three-part adaptation of J. R. R. Tolkien's The Hobbit.[2] Evans also portrayed the vampireDracula in the character's film origin story, Dracula Untold.[3] In 2017, Evans starred as Gaston in Disney's live action adaptation of BEAUTY AND THE BEAST and portrayed American psychologist William Moulton Marston; creator of fictional character Wonder Woman in the biographical drama, Professor Marston and the Wonder Women.

The Alienist is an upcoming American television period drama mystery series[1] based on the novel of same name by Caleb Carr. The ten-episode series is set to premiere on TNT on January 22, 2018.