Warning: this article contains spoilers for the season finale of Alien: Earth. "That first film lived in my sci-fi imagination for a long time," the English actor and director, who plays trillionaire Boy Kavalier on FX's Alien: Earth, tells Gold Derby. The franchise has shifted from the big screen to television in the form of Noah Hawley's Alien: Earth, which is set two years before the first film. But Boy K is my favorite, and that's what we settled on while on set." Boy K it is, then!