Guest Stars Blu del Barrio as Adira Oded Fehr as Admiral Charles Vance Tig Notaro as Commander Jett Reno Ian Alexander as Gray Tal Janet Kidder as Osyraa Bill Irwin as Su'Kal Co Starring Emily Coutts as Lt. Cmdr. Keyla Detmer Patrick Kwok-Choon as Lt. Cmdr. Gen Rhys Oyin Oladejo as Lt. Cmdr. Joann Owosekun Ronnie Rowe as Lt. Cmdr. Ronald Altman Bryce Raven Dauda as Dr. Tracy Pollard Fabio Tassone voices Book's Ship Computer Avaah Blackwell as Lieutenant Ina Jinny Jessica Jacinto as The Monster Danny Waugh as Vulcan Holo Robert Verlaque as Kelpien Elder Holo Nelu Handa as Smiling Starfleet Lieutenant Holo Andrew Hinkson as Regulator