Guest Stars Oded Fehr as Admiral Charles Vance Annabelle Wallis voices Zora Janet Kidder as Osyraa Jake Weber as Zareh Noah Averbach-Katz as Ryn Kenneth Mitchell as Invigilator Aurellio 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 Fabio Tassone voices Book's Ship Computer Vanessa Jackson as Lieutenant Audrey Willa Avaah Blackwell as Lieutenant Ina Brendan Beiser as Eli the E.M.H. Roy Samuelson voices Emerald Chain Computer Dorren Lee as Lieutenant Teemo Lisa Berry as Kanak Alexander Mandra as Avryz Lamont James as Regulator Guard #1 Nicole Dickinson as Strong Regulator