Special Guest Stars Michelle Yeoh as Emperor Philippa Georgiou Augustus Iaponius Centarius Guest Stars Blu del Barrio as Adira Oded Fehr as Admiral Charles Vance Ian Alexander as Gray Tal Noah Averbach-Katz as Ryn Ian Lake as Tolor 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 Lt. Cmdr. Nilsson David Benjamin Tomlinson as Lt. J.G. Linus Vanessa Jackson as Lieutenant Audrey Willa Katherine Trowell as Captain Bandra Danijel Mandic as Salvage Regulator Avaah Blackwell as Captain Rahma Daniel Jun as Lai Mark Robinson as Captain L'Teis Antonio Ortega as Engineer