Dichen Lachman in ‘Severance’. Photo:

AppleTV+

Warning: This post contains spoilers from season 2, episode 10 of Severance.

There is a lot to unpack after the explosive ending to Severance‘s buzzed-about sophomore season — and star Dichen Lachman, whose dual character of Miss Casey and Gemma was at the center of it all, can finally share her take.

The episode starts with foe-turned-ally Harmony Cobel (Patricia Arquette) helping Mark Scout (Adam Scott) communicate with his innie through recorded messages at the birthing house on Lumon Industries property where innies can give birth so their outies don’t endure pain.

At one point, Ms. Cobel confronts innie Mark with the truth about his work on Cold Harbor, the project he’s been working on during his time at Lumon. She explains its connection to his wife Gemma (known as Ms. Casey as her severed self inside Lumon). The clusters in each Macrodata Refinement (MDR) project are “tempers,” representing the “building blocks” in Gemma’s mind. Each time he completes one, a new innie is created.

While talking to his innie, Mark asks him to retrieve Gemma from the floor where she’s being held captive by Lumon once Cold Harbor is complete. But Mark S. hesitates because he thinks that rescuing Gemma and leaving Lumon with her would be the end of his life — and his romance with Helly R. (Britt Lower).

Adam Scott and Dichen Lachman in ‘Severance’. Apple TV+

Still, he arrives at Lumon’s severed floor, he completes Cold Harbor as Ms. Cobel advised and he also goes to great lengths to save Gemma. After successfully retrieving her from the Cold Harbor room, their outies have a brief reconciliation before Mark switches back to his innie. He helps Gemma out of the building through an exit on the severed floor, but instead of leaving with her, innie Mark runs off with Helly R. as Gemma begs him to go with her.

Now, looking back on that shocking moment, actress Lachman, 43, tells PEOPLE about her reaction to it all.

“I think I read [episode] 10 just before we started filming [episode] 10 and 7. I just remember being like, ‘Oh wow, this is going to be interesting to see the reaction,'” she says. “Obviously, the fans have spent so much time with Helly R. and Mark S., and so they’re invested in that. But after [episode] 7, they’re also hopefully invested in Mark’s outie’s relationship more as well.”

“It’s a really difficult situation,” she adds.

(L-R) Britt Lower and Adam Scott in ‘Severance’. Apple TV+

As for what this means for Gemma, Mark and Helly (whose outie is Helena Eagan), Lachman also admittedly doesn’t know what’s next as she jokes: “Are they going to work out a timeshare?” 

For Lachman, a large part of her enjoyment for working on the thriller’s second season has been diving deeper into her dual character.

“It was so wonderful because so much of Gemma for so long had just been little fragments. To really live in that space and lean into that emotional anchor for Mark, outie Mark, it was really exciting,” she shares.

“It was daunting because I really didn’t want to let anybody down,” she continues. “I knew the fans were super invested in the show. I haven’t seen people this invested in something for such a long time. The attention they pay to every single detail, like zooming into shots and finding little clues, it’s wild.”

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When asked whether she thinks there will be a season 3, Lachman still remains hopeful.

“Fingers crossed and if we’re all lucky enough to go that way, I’m just really excited to see what [creator] Dan Erickson comes up with,” she says. “He’s such an extraordinary talent and I couldn’t be happier for him that so many people around the world have just been completely inspired and captivated by this show.”

“It really keeps your attention like nothing else out there,” she concludes. “It’s almost like going on a ride to me. I feel like it’s different watching Severance.”

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Seasons 1-2 of Severance are now streaming in full on Netflix.