James Gunn and Jennifer Holland.Photo: Rodin Eckenroth/WireImage

James Gunn Jennifer Holland

Jennifer Hollandis making a splash in the DC Extended Universe.

ThePeacemakerstar, 35, tells PEOPLE that working on theSuicide SquadHBO Max spin-off series with her partner of seven years, show creatorJames Gunn, brought them “closer” as a couple.

“It was great. We had an absolutely amazing time. At the end of it, our personal relationship was closer for the experience,” Holland says. “We got really lucky in that we work really well together and it just works for us.”

Katie Yu/ HBO Max

jennifer holland peacemaker

“I had no expectations that it was going to go any further than that. It was just, ‘I’m going to do this fun thing with James and have a great time for a couple of weeks.’ That’s kind of what we thought it was going to be,” she explains. “Then, the pandemic hit, James got bored while he was doing post-production onThe Suicide Squadand he ended up writing this series.

“When he first started writing it, he had absolutely no idea that Emilia was going to be such an integral part of the story. The way his writing flows, he just lets the story take him where it needs to go. She became a very integral part of the story. I’m just so grateful for it because it’s all an absolute dream for me,” Holland adds.

InPeacemaker, Harcourt is part of the black ops team working on “Project Butterfly,” fighting against the parasitic butterfly-like alien species that’s begun taking human form. She butts heads with the eponymous vigilante (John Cena), but this week’s penultimate episode sees the entire team (which includesDanielle Brooks,Freddie Stromaand Steve Agee) come together to save the day in Thursday’s season 1 finale.

jennifer holland peacemaker

Holland was excited to not only further develop her role but flex her stunt work and fight choreography skills, having competed as a gymnast when she was a kid.

“I’ve always been very athletic. I love being athletic. I love being physical,” she says. “So being able to sort of marry that with my acting career has just been a dream.

RELATED VIDEO: John Cena Arrives in Costume as Peacemaker to The Suicide Squad Premiere

Her gymnastics background also came in handy with theopening dance numberto Wig Wam’s “Do Ya Wanna Taste It,” which has since become a viral sensation. Holland says the routine is “ingrained in my brain,” adding: “I could flash mob it right now.”

“We’re all in the same room together. It’s not like they pasted us together in post or anything like that, so we all had to be on time with the choreography and the music as well as keeping a straight face the whole time. So getting us all on the same page was definitely a task, but it was great. I love that we all got to have that experience together. It was so much fun.”

The season 1 finale ofPeacemakeris available Thursday, Feb. 17 on HBO Max.

source: people.com