Special Guest Stars Michelle Yeoh as Emperor Philippa Georgiou Augustus Iaponius Centarius Guest Stars Mary Chieffo as L'Rell Jayne Brook as Admiral Katrina Cornwell James Frain as Ambassador Sarek 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 Julianne Grossman voices Discovery Computer Sara Mitich as Lieutenant Commander Airiam Raven Dauda as Dr. Tracy Pollard Michael Ayres as Transport Officer Harry Judge as Tellarite Admiral Gorch Riley Gilchrist as Admiral Shukar Melanie Nicholls-King as Admiral Drake