Alex Lawther (born 4 May 1995) is an English actor. He is known for portraying the young Alan Turing in the film The Imitation Game (2014), which won him the London Film Critics' Circle Award for Young British Performer of the Year, and has received acclaim as James in The End of the F***ing World and as Kenny in the series three episode "Shut Up and Dance" in the science fiction anthology series Black Mirror.