We don't have a biography for Roscosmos Head / Sergei Sokolov yet. Hang in there, or go ahead and contribute one.
Appearances
Away
Guest cast, played by Alexander Vishniakoff
- Episode 1x04: Excellent Chariots (Sep 4, 2020)
- Episode 1x08: Vital Signs (Sep 4, 2020)
- Episode 1x10: Home (Sep 4, 2020)