Benedict Cumberbatch is sporting a bald head for the new UK Channel 4 drama Brexit. The Sherlock star, 41, is playing Dominic Cummings, the director of the Vote Leave campaign. The European Union Referendum of 2016 shocked the world when the U.K. voted to leave the E.U. The TV drama will explore the workings of the opposing data-driven campaigns, the decisions that influenced the surprising results and how Cummings led Vote Leave to victory while examining the tense relationships he had with the people around him.

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Brexit is inspired in part by the writings of Tim Shipman, political editor of the Sunday Times, and former Director of Communications Craig Oliver. The drama is written by award-winning political playwright James Graham and directed by Toby Haynes who has worked with Cumberbatch before on an episode of Sherlock. Haynes has also directed episodes of Doctor Who and Black MirrorBrexit is set to premiere in early 2019, before Britain leaves the EU in March.

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Cumberbatch was a vocal opponent of Brexit before the referendum and joined multiple entertainers in a petition for the U.K. to remain in the E.U. With regards to his role as Cummings, he told the reporters, “It’s very all-encompassing and includes arguments I maybe turned away from too swiftly before the referendum. It’s a fascinating insight into what goes on in the closed doors to the campaign as well.”