Guest Stars Monique Gabriela Curnen as Melissa Ramirez Adam Irigoyen as Isaac Rodriguez Gabrielle Rose as Darlene Cole Felicia Patti as Cassie Fiona Fu as CNSA Head / Li Jun Martin Cummins as Jack Willmore Brian Markinson as George Lane Diana Bang as Freddie John Murphy as Ryan Masters Anthony Ingram as ESA Head / Ted Salter Sharmaine Yeoh as Chinese Translator Lydia Campbell as Jane Adam Pateman as Engineer #3 / Adam Ryan Mah as Engineer #1 / Dave Liza Cosier as Russian Translator