Although he passed earlier this year in March, Luke Perry will be giving his final bow in Quentin Tarantino‘s upcoming film, Once Upon a Time in Hollywood. The late actor’s costar, Brad Pitt, recently opened up about working with the Riverdale star — who filmed all of his scenes for the movie before he unexpectedly died following a massive stroke.

“It was this strange burst of excitement that I had, to be able to act with him,” the 55-year-old said of the film, which takes place in L.A. in 1969 and, among focusing on a fading TV star and his stunt double, also features the famous Manson family murders. “I remember going to the studios [years ago] and [Beverly Hills, 90210] was going on and he was that icon of coolness for us, as teenagers.”

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Brad added that he and the rest of the cast — including Leonardo DiCaprio and Margot Robbie — felt like “kids in the candy shop” when they first spotted Luke on the set of the film.

“Man, he was so incredibly humble and amazing and absolutely committed,” Brad gushed about Luke. “He couldn’t have been a more friendly, wonderful guy to spend time with. I got to sit down and have some wonderful conversations with him. It was really special.”

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Besides being Luke’s last film, Once Upon a Time in Hollywood is going to be special for many reasons. In fact, his son, Jack Perry, will be making his acting debut in the upcoming film alongside his late father. “He’s like, ‘I want you to be in the same film or collection of footage that I’m in,’ and he was really adamant about it. I was like, ‘All right dad, I’ll do it,’” the 21-year-old recalled during an interview on WWE wrestler Chris Jericho’s podcast, Talk Is Jericho.

Jack even gushed about how over the moon his late father was about working on the star-studded film. “My dad was so excited about that. That kind of reinvigorated him and re-energized him,” Jack explained. “He said, ‘If I never work again, I’m happy with this.”

We can’t wait to see Luke in Once Upon a Time in Hollywood in theaters on July 26.