Production on the second season of FX's Alien: Earth has begun or is expected to start soon, with recent cast additions including Peter Dinklage, Tracey Ullman, Sam Spruell, and Jerome Flynn. The show is a spin-off of the iconic sci-fi horror franchise that originated with Ridley Scott's 1979 film. The timing of the second season's production start is reported as either already underway or set to begin in May, with filming taking place in London.