Guest Stars Oded Fehr as Admiral Charles Vance Sonja Sohn as Gabrielle Burnham 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 Tara Rosling as President T'Rina Oliver Becker as N'Raj Stephanie Belding as Shira Emmanuel Kabongo as V'Kir