Guest Stars Wilson Cruz as Dr. Hugh Culber Mary Chieffo as L'Rell Sam Vartholomeos as Ensign Danby Connor 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 Lieutenant Commander Airiam Ali Momen as Lieutenant Kamran Gant Chris Violette as Britch Weeton Romaine Waite as Troy Januzzi