‘Star Trek: Discovery’ Cast: Photos Of The Series By: Paige Kindlick June 8, 2022 3:42PM EDT 1 of 5 ‘Star Trek: Discovery’ — Photos CBS ‘Star Trek: Discovery’ season 3 premiered Oct. 15, 2020. The show picks up after Commander Burnham went into the wormhole in the season 2 finale. Season 3 finds the crew of the U.S.S. Discovery landing in an unknown future far from the home they once knew. Now living in a time filled with uncertainty, the U.S.S. Discovery crew, along with the help of some new friends, must work together to restore hope to the Federation. Burnham crosses paths with Cleveland ‘Book’ Booker, a new character played by David Ajala. He’s agreed to help her find her crew and fill in the gaps of what she doesn’t know. Following the premiere, new episodes of the 13-episode long third season will be released weekly on Thursdays, exclusively for CBS All Access subscribers. The series stars Sonequa Martin-Green, Doug Jones, Anthony Rapp, Mary Wiseman, Wilson Cruz, and more. See more photos below. October 21, 2020, 2:05PM 2 of 5 David Ajala & Sonequa Martin-Green CBS David Ajala & Sonequa Martin-Green in a scene from season 3. Book is a new character featured in ‘Star Trek: Discovery’s third season. October 21, 2020, 2:05PM 3 of 5 David Ajala As Book CBS As the season continues, we’ll look more about Book’s past. David Ajala teased that his character’s history will tug at your heartstrings. October 21, 2020, 2:05PM 4 of 5 Book & Burnham CBS Book and Burnham make quite the season 3 team. They have to rely on each other to stay alive and get answers. October 21, 2020, 2:05PM 5 of 5 ‘Star Trek: Discovery’ Cast CBS ‘Star Trek: Discovery’ is entering uncharted territory in season 3. Burnham and her crew are separated. October 21, 2020, 2:05PM Click to Subscribe to Get Our Free HollywoodLife Daily Newsletter to get the hottest celeb news.