Season Regulars 6

1. 

   Hilary Swank

   Emma Green

2. 

   Mark Ivanir

   Misha

3. 

   Ray Panthaki

   Ram

4. 

   Vivian Wu

   Yu

5. 

   Ato Essandoh

   Kwesi

6. 

   Talitha Eliana Bateman

   Alexis Logan

Guest Stars 22

1. 

   Adam Irigoyen

   Isaac Rodriguez

2. 

   Monique Gabriela Curnen

   Melissa Ramirez

3. 

   Clem Cheung

   Lu's Father (Older)

4. 

   Irene Tsu

   Lu's Mother (Older)

5. 

   Wade Sun

   Husband (Young Lu's Father)

6. 

   Jessie Liang

   Woman (Young Lu's Mother)

7. 

   Vincent Cheng

   Doctor

8. Felicia Patti

   Cassie Ramirez

9. 

   John Murphy

   Ryan Masters

10. 

    Sharmaine Yeoh

    Chinese Translator

11. 

    Liza Cosier

    Russian Translator

12. 

    Martin Cummins

    Jack Willmore

13. 

    Gabrielle Rose

    Darlene Cole

14. 

    Brian Markinson

    George Lane

15. 

    Diana Bang

    Freddie

16. 

    Veena Sood

    IRSO Head Meera Patel

17. 

    Alex Vishniakoff

    Roscosmos Sergei Sokolov

18. 

    Lisa Chandler

    Engineer #4

19. 

    Krista Magnusson

    Engineer #5

20. 

    Anthony Ingram

    ESA Head Ted Salter

21. 

    Bethel Lee

    Engineer #6

22. 

    Fiona Fu

    CNSA Head / Li Jun

Crew 2