The Expanse Season 2
Overview
The conspiracy breaks open, and the solar system slides toward war. The second season follows the characters as the hidden plot surfaces — and as Earth, Mars, and the Belt move closer to a fight none of them can afford. Tense, action-packed, and thrilling, it ends with the protomolecule unleashed on Venus — a new player in a war that was already too big, and a mystery that just got much stranger. The season's power is in that escalation: every answer makes the board bigger. The protomolecule changes the stakes entirely: this is no longer a war between factions, but a war with something nobody understands.
Cast
Steven Strait
Cas Anvar
Dominique Tipper
Wes Chatham