[Editor’s note: The following interview contains spoilers for “Yellowjackets” Season 3 through to Episode 9.]

“Nobody said ‘You’re gonna bite a chunk out of Hillary Swank’s arm’ when they pitched the show to me,” Melanie Lynskey told IndieWire in a recent conversation about “Yellowjackets.” In a season that has seen her character Shauna “finally able to take control of the moment,” that moment in Episode 8 marks a point of no return.

“[In episode 3], I sweep everything off the counter in this fit of rage, but for me the interesting moment was afterwards, the fact that in Shauna’s energy and body, I felt very settled,” Lynskey said. “So it was fun to play all that stuff in Episode 9 … finally she’s able to take control of the moment and to allow herself to feel the rage that’s always present, and then she’s kind of relaxed.”

Season 3, Episode 9 had the “Yellowjackets” team collaborating for a third time with director Ben Semanoff,...