Guest Stars Annabelle Wallis as Zora Ian Alexander as Gray Tal Rothaford Gray as Book's Father Co Starring Emily Coutts as Lt. Cmdr. Keyla Detmer Oyin Oladejo as Lt. Cmdr. Joann Owosekun Patrick Kwok-Choon as Lt. Cmdr. Gen Rhys Ronnie Rowe as Lt. Cmdr. Ronald Altman Bryce Sara Mitich as Lt. Cmdr. Nilsson Raven Dauda as Dr. Tracy Pollard Iván López as Ensign Cortez