Photo: Cindy Ord/Getty, Ilya S. Savenok/Getty

Warning: This post contains spoilers from season 4 ofYou.
Tati Gabriellegot to see a whole need side to costarPenn Badgleywhile filmingYou.
Viewers last saw Gabrielle’s character Marienne Bellamy early on in season 4 escaping former beau Joe Goldberg (Badgley) after he stalked her, tracking down her in Paris. And while fans initially believed he left her be thereafter, Joe actually kidnapped Marienne and trapped her in a glass cage near his new London residence. What’s worse, Joe had no idea what he had done until it slowly began coming back to him — he completely blacked out during his interactions with Marienne after Paris.
And as intense as those scenes of Marienne trapped in solitude were to watch, Gabrielle exclusively tells PEOPLE they were just as hard to film across six- to 10-hour shoot days occurring between two to three weeks.
“I got chills immediately within the first few seconds of me being in there and then this crazy feeling of anxiety just started rushing through my body. I feel like it was almost like a trauma response,” says Gabrielle, 27. “I personally have never been in the cage. I had already started doing work with Marienne in my head. And then, I think just my brain as Tati, knowing what the cage is and what happened in there, I couldn’t stay in the box for more than 30 seconds the first time I stepped into it. I was like,all right, I don’t want to be in here until I’ve got to be in here.”
Courtesy of Netflix

“So in season 3, I will never forget the first time me and Penn did our first scene. And we were talking Penn and Tati, and then they got ready to call action, and Penn’s eyes changed. Just a whole new person stepped into his body. And I was like …Oh my God. He’s so good,” she recalls.
“He started doing these scenes, and Joe, in this dissociative state, it was sort of doubling anxiety-inducing because, on one hand, Marienne is desperate to get through to Joe,” she further explains. “He knows that something’s happening mentally speaking, and she’s trying to pull him back out. And then on top of that, as Tati, I couldn’t feel Penn anymore.”
JOHN P. FLEENOR/NETFLIX

But Gabrielle says witnessing Badgley in action this way was “such a testament to his freaking talent.”
“Both Penn and Joe were dissociating. And I was like,Oh no, where’d you go?It really made [for] just very authentic and very genuine moments,” she continues. “And that’s why I love working with Penn throughout this process is because he’s such a present scene partner for whatever the case is, and as well as even off set, always willing to talk about something, work through something. And he was a big supporter for me through my time in the cage.”

As for what the future holds for Marienne, Gabrielle admits: “I don’t know. That’s definitely a question for Netflix, and [Youco-creator] Sera Gamble.”
“But I would love to see Marienne come back because I feel though she was able to get out alive and be with her daughter, and she is able to live a peaceful life now, Joe thinks she’s dead,” she explains. “But I feel like something just still doesn’t sit right with her in her moral compass, and the fact that he is still out there and is not facing any consequences for the things that he’s done.”
Adds Gabrielle, “I would be interested to see Marienne come back and break Nadia out and go and do the thing. Yeah. But we’ll see.”
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All four seasons ofYouare streaming in full on Netflix.
source: people.com