Guest Stars Jameela Jamil voices Ensign Asencia Daveed Diggs voices Commander Tysess Jason Alexander voices Doctor Noum Billy Campbell voices Thadiun Okona Eric Bauza voices Barniss Frex Kimberly Brooks voices Commander Kaseth Dee Bradley Baker voices Denaxi Visitor #2 Dee Bradley Baker voices Alien Eric Bauza voices Denaxi Visitor #1 Eric Bauza voices Klingon Pilot Eric Bauza voices TSA Monitors Kimberly Brooks voices Emergency System Brook Chalmers voices Passerby Brook Chalmers voices Xindi Sentry #1 Brook Chalmers voices Xindi Sentry #2 Brook Chalmers voices Xindi Sentry #3