Pearl Mackie Joins 'Doctor Who' As New Companion Bill

Meet Pearl Mackie — the Doctor’s new companion, Bill, on Doctor Who!

The English actress will star alongside Peter Capaldi in the new season of the hit BBC series, replacing Jenna Coleman‘s Clara.

BBC introduced Pearl on social media this morning (April 23), writing, “‘You know the thing you need most of all? You need a hand to hold.’ #DoctorWho #NewCompanion,” before the big reveal.

Check out the sneak peek below where Bill (Mackie) is asking all the questions you’ve ever had about Daleks.