From Cassie Ainsworth on Skins and Gilly on Game of Thrones to her latest turn as Manson Family member Leslie Van Houten in Charlie Says, the English actor makes a habit of digging deep into roles that fascinate and scare her.

After a star-making turn in the gripping thriller Beast, the Irish actor continues to let every role affect her, from a firefighter’s wife in the powerful new HBO miniseries Chernobyl to an aspiring country singer in Wild Rose.

After breaking out in his Olivier-winning role as Scorpius Malfoy, son of Draco, in the blockbuster play Harry Potter and the Cursed Child, the Belfast-born actor continues to approach every project with exceptional consideration, from the new biopic Tolkien to the upcoming HBO adaptation of Philip Roth’s prescient novel The Plot Against America.

After intense standout roles on buzzy shows The Handmaid’s Tale and Sharp Objects, the Washington State native hopes to serve as an advocate for change and an example for younger artists in projects like HBO’s forthcoming teen drama Euphoria.

With the biopic Tolkien, the Pulitzer-winning play Sweat, and the return of the uncategorizable Netflix cult hit The OA, the Irish actor is taking over screen and stage, relishing every challenge that comes his way.

With roles on Skins and Game of Thrones, two decade-defining series, the English actor is used to being in the spotlight, as much as he tries to avoid it.

In roles as diverse as Prince Albert and Leo, a Russian spy charged with stealing atomic secrets, in the new film Red Joan, the English actor mines the essential truths of the human condition whether he finds himself in the Victorian era or World War II.

With his back-to-back breakout performances in two very different shows on Sunday nights on AMC, the English actor makes his mark as a vampire scientist in the historical fantasy A Discovery of Witches and as Sandra Oh’s new MI6 colleague on the hit Killing Eve.

The English star of The Diary of a Teenage Girl and last year’s Broadway revival of Kenneth Lonergan’s Lobby Hero speaks with her White Boy Rick director Yann Demange about Detroit accents, playing a high school spy, and punching Matthew McConaughey in the face.