ET has an exclusive behind-the-scenes look at the new mind-bending series ‘Dark Matter,’ streaming May 8 on Apple TV+. The show has a star-studded cast including Joel Edgerton, Jennifer Connelly, Alice Braga, Jimmi Simpson, Dayo Okeniyi and Oakes Fegley. ‘Dark Matter’ is based on the book by acclaimed New York Times bestselling author Blake Crouch, who also serves as writer and executive producer.