A discovery sends teams across Earth and Mars scrambling for answers.
Episode rating
Cast of episode
- Sarah Dale
- Irina Morozova
- Dev Ayesa
- Miles
- Edward Baldwin
- Ilya
- Lee Jung-Gil
- Eli Hobson
- Grigory Kuznetsov
- Will Tyler
- Palmer James
- Amanda Dale
- Victor Diaz
- Corey Johnson
- Christine Francis
- Bill McGann
- Zoey Chase
- Malaika Ayesa
- Brandt Darby
- Tatyana Volkova
- Leonid
- Jen Hughes
- Alex Poletov
- Lily Dale
- Dimitri Egotov
- Shaun Arlee
- Off-duty Helios Worker
- POTUS
- Self
- Karen Baldwin