Special Guest Stars Michelle Yeoh as Emperor Philippa Georgiou Augustus Iaponius Centarius Guest Stars Mary Chieffo as L'Rell Mia Kirshner as Amanda Grayson Alan van Sprang as Leland Bahia Watson as May Ahearn Kenneth Mitchell as Kol-Sha 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 Hannah Cheesman as Lieutenant Commander Airiam David Benjamin Tomlinson as Lt. J.G. Linus Damon Runyan as Ujilli Pay Chen as Starfleet Psychiatrist (Recording) Xavier Sotelo as Captain Diego Vela