Peter Chelsom's forthcoming film The Space Between Us, about a boy who was born and raised on Mars, now has a trailer. Asa Butterfield stars as the human alien who comes to Earth and discovers the planet for the first time, as a teenager. Carla Gugino, Gary Oldman, BD Wong, Janet Montgomery, and Jenny Gabrielle also star in The Space Between Us, which hits theaters on August 19. Watch the trailer below.