We already knew that, of course — it was the big reveal of the season 1 finale — but what we knew then was that Gemma was Ms. Casey, a counselor on the severed floor who seemi

Severance’ season 2, episode 7, “Chikhai Bardo”— tells the sad story of Mark (Adam Scott) and Gemma (Dichen Lachman), while hinting at the greater ambitions of Lumon.