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