Guest Stars Wilson Cruz as Dr. Hugh Culber Michelle Yeoh as Emperor Philippa Georgiou Augustus Iaponius Centarius James Frain as Ambassador Sarek Co Starring Emily Coutts as Lt. Cmdr. Keyla Detmer Julianne Grossman voices Discovery Computer Tasia Valenza voices Shenzhou Computer Ali Momen as Lieutenant Kamran Gant Romaine Waite as Troy Januzzi Chris Violette as Britch Weeton Riley Gilchrist as Admiral Shukar Dwain Murphy as Captain Maddox Devon Macdonald as Engineering Officer Harrington Uncredited Javid Iqbal as Voq