There’s a scene where you’re forced to shoot alien weapons in a test lab. What was that like?
It was incredibly intense. The guy playing the doctor was great. anda can see he’s actually hitting me in the scene, and he really smacked me around. He was just really good at provoking me. The shooting [of the film] involved me often being tied down, constrained, so just wearing me down—physically and emotionally. That scene was the same thing.

What was it like working with the alien arm?
It was so helpful to have that prosthetic on me. Not having acted, and going into the movie not knowing...