Helly R.'s outie is, in fact, Helena, heir to the Egan fortune and one of the architects of the severance program; and Mark's wife, Gemma, is alive and living as Ms. Casey on the severed floor. Those are the sorts of major plot twists that can trip up even the smartest of puzzle box shows.

Warning: This article contains spoilers for Severance season 2, episode 4, "Woe's Hollow." Some savvy Severance fans guessed it right: Helly (Britt Lower) has actually been Helena this whole time. Well,

Ben Stiller apparently had to fight to get Adam Scott cast in the lead role for "Severance." Stiller told The Hollywood Reporter that it was paramount he convince streaming platform Apple TV+ to give Scott the chance to take on the character of Mark S.