Deadline's story on the casting they say that she has a lead role, but they can't offer anything more substantial than this. There are - or, as I was saying, were - two more key female roles to cast, both of them older than this one. When I see those pop up in the new reports I'll start to trust that my aging understanding of Trek 3 to still hold water. Boutella was most recently seen in Kingsman, where CG gave her killer blade feet, though, if you're anything like me, you may recall her from Streetdance 3. I think it was 3. They all start to blur together after a while. Somehow, I just can't resist a 3D dancing movie, though. Justin Lin starts production on Star Trek 3 this summer, though it won't be called that. We can expect to see it in cinemas next summer, for the 50th anniversary of the show.