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 Co Starring Emily Coutts as Lt. Cmdr. Keyla Detmer Oyin Oladejo as Lt. Cmdr. Joann Owosekun Patrick Kwok-Choon as Lt. Cmdr. Gen Rhys Julianne Grossman voices Discovery Computer Sara Mitich as Lieutenant Commander Airiam Conrad Coates as Admiral Terral Michael Ayres as Transport Officer David Benjamin Tomlinson as Klingon Bridge Officer