British actor Pearl Mackie has been named the new companion to the Doctor in the 10th season of Doctor Who, the long-running show announced on Saturday.
Mackie—who is currently performing in the National Theatre’s production of The Curious Incident of the Dog in the Night Time in London—will appear as a new character, Bill, alongside Peter Capaldi, who stars as the Doctor.
“It’s such an extraordinary British institution, I couldn’t be prouder to call the Tardis my home,” said Mackie, 28, the BBC reported.
Read more: Doctor…Who?: A Beginner’s Guide to Doctor Who
The show released a clip from the new season, set to premiere in 2017, showing Mackie and Capaldi running from “the deadliest alien war machine ever devised.”
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Write to Katie Reilly at Katie.Reilly@time.com