Main Characters Emma Green 10 main appearances Matt Logan 10 main appearances Alexis "Lex" Logan 10 main appearances Kwesi Weisberg-Abban 10 main appearances Misha Popov 10 main appearances Ram Arya 10 main appearances Lu Wang 10 main appearances
Recurring Guest Characters Melissa Ramirez 8 guest appearances Isaac Rodriguez 8 guest appearances Darlene Cole 7 guest appearances CNSA Head / Li Jun 7 guest appearances Cassie 7 guest appearances Jack Willmore 6 guest appearances George Lane 6 guest appearances Dr. Fred Putney 5 guest appearances Freddie 5 guest appearances Ryan Masters 5 guest appearances Chinese Translator 4 guest appearances ISRO Head / Meera Patel 4 guest appearances ESA Head / Ted Salter 4 guest appearances Mei Chen 3 guest appearances Dr. Lawrence Madigan 3 guest appearances NASA Assistant 3 guest appearances Zhang Yong 3 guest appearances Zhang Lei 3 guest appearances Natalya Popov 3 guest appearances Jerry 3 guest appearances ⇤ « 1 2 3 4 » ⇥