Special Guest Stars Michelle Yeoh as Emperor Philippa Georgiou Augustus Iaponius Centarius Guest Stars Tig Notaro as Commander Jett Reno Rachael Ancheril as Commander Nhan Mary Chieffo as L'Rell Jayne Brook as Admiral Katrina Cornwell Ethan Peck as Spock Alan van Sprang as Leland Mia Kirshner as Amanda Grayson Rebecca Romijn as Number One Yadira Guevara-Prip as Me Hani Ika Hali Ka Po Co Starring Emily Coutts as Lt. Cmdr. Keyla Detmer Patrick Kwok-Choon as Lt. Cmdr. Gen Rhys Oyin Oladejo as Lt. Cmdr. Joann Owosekun Ronnie Rowe as Lt. Cmdr. Ronald Altman Bryce Julianne Grossman voices Discovery Computer Sara Mitich as Lt. Cmdr. Nilsson Raven Dauda as Dr. Tracy Pollard Hanneke Talbot as Lieutenant Mann Samora Smallwood as Lieutenant Amin Nicole Dickinson as Yeoman Colt Chai Valladares as Lieutenant Nicola Hannah Spear as Siranna Zarrin Darnell-Martin as Nurse Thom Marriott as Council Member Kyana Teresa as Doctor Glenn Hetrick as K'Vort
