Inside the room at the Alan Cumming-hosted BAFTA Awards, plus a full list of winners

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LONDON — This year’s BAFTA Awards had an unforeseen third-act twist.After a relatively calm ceremony on Sunday that primarily honored “Sinners,” “One Battle After Another,” “Frankenstein” and “Hamnet,” Kerry Washington took the stage at London’s Royal Festival Hall to announce the winner of the prize for leading actor.Anticipation was high for Timothée Chalamet, thanks to his bold performance in “Marty Supreme” and an equally bold marketing campaign.

Instead, Washington read: “Robert Aramayo.”Who? The British actor, already named the recipient of the Rising Star award earlier in the evening for his endearing performance as real-life Tourette syndrome campaigner John Davidson in “I Swear” (releasing stateside April 24), may have been shaken by his big win, but no one was more surprised than the audience.Screams, cheers and cries of “Oh, my God” resonated throughout the theater.

In a stacked category that also included American actors Leonardo DiCaprio, Michael B.Jordan, Jesse Plemons and Ethan Hawke, BAFTA voters opted to reward one of their own.“I honestly cannot believe that I won this award,” Aramayo said, speaking through tears and pure shock.

He expressed admiration for all of his fellow nominees, but singled out Hawke in particular.“When I was in school, Ethan Hawke came in to speak to us at Juilliard and he gave an amazing talk on longevity as an actor, about protecting your instrument and avoiding self-destructive behaviors,” Aramayo recalled.“And it had a really great impact on everyone in that room.

So to be in this category with you tonight is incredible.”“I Swear” ultimately took home three awards, two for Aramayo and one for casting.But the film had a strong, sometimes controversial presence in the room beyond its trophies: In the film, Aramayo portrays Davidson, a notable advocate for Tourette syndrome awar...