Burnham and Book race to evacuate a group of stranded colonists in the anomaly's path as one of the Federation's brightest scientists comes aboard the U.S.S. Discovery to do high-stakes research with Saru and Stamets.

Annabelle Wallis, David Benjamin Tomlinson, David Cronenberg, Jonathan Goad, Michael Greyeyes, Oded Fehr, Orville Cummings, Patrick Kwok-Choon, Sara Mitich, Sarah Booth, Shawn Doyle, Sochi Fried