After surprising fans waiting to see Star Wars: The Force Awakens in New York, actor John Boyega headed to London to do the same.

“Random theatre pop ups in London! You might just see me,” Boyega wrote on Twitter after retweeting fan reactions to seeing him. Elsewhere, the official U.K. Star Wars feed posted video of the actor meeting fans at movies theaters Cineworld at The O2 and ODEON Cinema in Greenwich.

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When you're about to watch Star Wars and @JohnBoyega comes in 😭😭😭. HEY BOOOOO 😍🙋🏽🙋🏽🙋🏽🙋🏽🙋🏽🙆🏽 pic.twitter.com/daGhLFRuOR — tah-rah (@TarssOcean) December 20, 2015

Seeing #TheForceAwakens tonight? @JohnBoyega might surprise you. Here he is @ODEONCinemas Greenwich a few mins agohttps://t.co/qety2G3U7m — Star Wars UK (@StarWarsUK) December 20, 2015

The Force is with the audience at the @CineworldTheO2 as they meet @JohnBoyega. #TheForceAwakenshttps://t.co/yvH62RrTgu — Star Wars UK (@StarWarsUK) December 20, 2015

Also at Cineworld, Boyega popped up next to a fan watching the Force Awakens trailer, photos of which were posted online.

So… this just happened. @JohnBoyega surprises a fan watching the #TheForceAwakens trailer at @CineworldTheO2 pic.twitter.com/oiqYMhiKkt — Star Wars UK (@StarWarsUK) December 20, 2015

Star Wars: The Force Awakens debuted in the U.S. this weekend to a record-breaking $238 million box-office haul.