'Nine Perfect Strangers' star Melvin Gregg wanted to keep Jessica's fake nose and put it in a jar, like a 'science project'

• Warning: Spoilers ahead for episode six of "Nine Perfect Strangers."
• Jessica has an MDMA-induced hallucination that her nose falls off.
• Melvin Gregg, who plays Ben, told Insider he wanted to bring the prop home with him.

Melvin Gregg didn't keep any souvenirs from the "Nine Perfect Strangers" set in Byron Bay. However, he was tempted to nab one of Samara Weaving's prosthetics before heading back to the US.

On the David E. Kelley series' sixth episode, "Motherlode," Jessica Chandler (Weaving) and her husband Ben Chandler (Gregg) microdose MDMA, or ecstasy, at a mysterious wellness retreat called Tranquillum House.

While admiring herself in the mirror, the social media influencer has a hallucination that her nose detaches from her face and topples down into the sink. Ben eventually calms Jessica down, assuring her that her nose is still secured on her face.

After wrapping the scene, Gregg tried to keep the prop as a memento.

"I wanted Jessica's nose," the 32-year-old actor told Insider on a recent phone call, continuing, "I felt like it would be cool to put it in a little glass with some type of liquid where it floats so it just looks like a science project."

Gregg did not end up bringing the artificial nose with him when he left the set, but he remembers the behind-the-scenes moment with Weaving as a highlight from his time working on the adaptation of Liane Moriarty's 2018 novel.

The scene exceeded Gregg's expectations

Prior to filming the hallucination, the actors talked through their strategy to make the stressful scenario both terrifying and comical. Gregg said Weaving took the reins.

"Samara, she had the pleasure of playing with the prop, and I had to just react to her panic. I was pretty much following her lead," he explained. "It was a fun scene."

Because Gregg and Weaving shot the sequence without any special effects, the actor wasn't sure how it would play out on the show. When he finally watched the episode as a viewer, the moment exceeded his expectations.

"The turnout was amazing. I wasn't sure how it would look because they had to make her entire nose disappear, but they did a great job," he said.

Weaving and Gregg shot their more intimate moments last

By the time Weaving and Gregg filmed the high-energy scene for episode six, they had already grown comfortable working together in the roles of Jessica and Ben.

The costars, who play two young, married lottery winners at Tranquillum House for couples therapy, filmed big group scenes with the rest of the "Nine Perfect Strangers" cast before taking on more intimate moments between their characters.

"I kind of built Ben around who Jessica was, so it definitely helped to see her take on Jessica. We had the luxury of shooting a lot of our stuff last," he said.

Gregg continued, "On day one, we weren't shooting Ben and Jessica stuff. We were shooting a lot of group stuff, so we had a chance to get to know one another throughout the process before shooting a lot of couple stuff."

The first six episodes of "Nine Perfect Strangers" are currently available to stream on Hulu, with new episodes released weekly.