Guest Stars Wilson Cruz as Dr. Hugh Culber Mary Chieffo as L'Rell Jayne Brook as Admiral Katrina Cornwell Rainn Wilson as Harcourt Fenton "Harry" Mudd 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 Christopher Russell as Lieutenant Milton Richter Tyler Evan Webb as Shuttle Klingon 1 Simon Northwood as Shuttle Pilot Kirk Salesman as Shuttle Klingon 2