Guest Stars Monique Gabriela Curnen as Melissa Ramirez Gabrielle Rose as Darlene Cole Fiona Fu as CNSA Head / Li Jun Martin Cummins as Jack Willmore Brian Markinson as George Lane Michael Patrick Thornton as Dr. Fred Putney Sharmaine Yeoh as Chinese Translator Alessandro Juliani as Dr. Lawrence Madigan Nadia Hatta as Mei Chen Jessica Garcia as NASA Assistant Rachel Maddow as Herself Quynh Mi as Satcom Operator Mike Massimino as Himself Sasha Piltsin as GNC Operator Uri Burstyn as Russian Reporter Kris McRonney as Inco Operator Requell Jodeah as BBC Reporter Anoop Randhawa as Another Reporter Carly Buhler as Thor Operator Aidan Wang as Surgeon Operator Bowen Zhang as Chinese Reporter