Guest Stars Adam Irigoyen as Isaac Rodriguez Monique Gabriela Curnen as Melissa Ramirez Gabrielle Rose as Darlene Cole Fiona Fu as CNSA Head / Li Jun Felicia Patti as Cassie Brian Markinson as George Lane Martin Cummins as Jack Willmore Diana Bang as Freddie Michael Patrick Thornton as Dr. Fred Putney John Murphy as Ryan Masters Veena Sood as ISRO Head / Meera Patel Anthony Ingram as ESA Head / Ted Salter Marion Eisman as Miriam Weisberg Jamie Nieto as Travis Parker Alexander Vishniakoff as Roscosmos Head / Sergei Sokolov Adam Pateman as Engineer #3 / Adam Jay Zhang as Zhang Yong Ryan Mah as Engineer #1 / Dave Lydia Campbell as Jane Olena Medwid as Natalya Popov Jessica Garcia as NASA Assistant Derrick Su as Zhang Lei Lisa Chandler as Engineer #4 Bethel Lee as Engineer #6 Krista Magnusson as Engineer #5 Emma Sukhomenyuk as Misha's Grandchild #1 David Pavlov as Misha's Grandchild #2 Maxim Aleksandrov as Misha's Grandchild #3 Shevon Nieto as Veronica Grace Wang as CNSA Assistant