Marvel Studios’ Agatha: Coven of Chaos has added a new star to its cast. According to Variety, Heartstopper actor Joe Locke has signed on to the upcoming Disney+ series.

The series’ plot details are currently under wraps as all that has been announced is that Kathryn Hahn is set to reprise her role as Agatha Harkness from WandaVision. Locke’s character is also unknown, but based on rumors about the series, he may be playing an aged-up Billy, aka Wiccan.

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Locke made his scripted television debut in the recent Netflix series Heartstopper where he played a gay teenager who fell in love with his popular classmate. More recently, he made his theatrical debut in The Trials.

Jac Schaefer, who served as head writer and executive producer on WandaVision, will return to those roles for Agatha: Coven of Chaos.

Are you excited to see Joe Locke appear in Marvel Studios’ Agatha: Coven of Chaos? Who do you think he is playing? Let us know in the comments below!