In between her Off-Broadway gig, Disco Pigs, we caught up with the Irish star to chat all things Harry Potter, her love of theatre, and much more.

In Disco Pigs, Pig and Runt—born on the same day in the same hospital and inseparable ever since—celebrate their joint birthday. As night falls, the disco and drink take hold, and things spiral violently out of control. You can catch Lynch alongside Colin Campbell in the Irish Rep production of Enda Walsh’s Disco Pigs through February 18.