Guest Stars Annabelle Wallis voices Zora Oded Fehr as Admiral Charles Vance Rachael Ancheril as Commander Nhan Tara Rosling as President T'Rina Shawn Doyle as Ruon Tarka 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 David Benjamin Tomlinson as Lt. J.G. Linus Sara Mitich as Lt. Cmdr. Nilsson Orville Cummings as Lt. Christopher Fabio Tassone voices Book's Ship Computer Piotr Michael voices Shuttle Computer