Special Guest Stars Michelle Yeoh as Starfleet Captain Philippa Georgiou Guest Stars Wilson Cruz as Dr. Hugh Culber Mary Chieffo as L'Rell Jayne Brook as Admiral Katrina Cornwell Kenneth Mitchell as Klingon Commanding Officer Kol Rekha Sharma as Security Officer Commander Landry Co Starring Emily Coutts as Lt. Cmdr. Keyla Detmer Oyin Oladejo as Lt. Cmdr. Joann Owosekun Julianne Grossman voices Discovery Computer Sara Mitich as Lieutenant Commander Airiam Tasia Valenza voices Shenzhou Computer Javid Iqbal as Voq Christopher Russell as Lieutenant Milton Richter Dennis Andres as Engineer Rance Jordana Blake as Betarian Girl