Dermot Mulroney Not Only Acts — He Also Plays the Cello for “Star Wars” and “Star Trek” Movies

Dermot Mulroney has performed as a cellist in nine movies, including 'Rogue One: A Star Wars Story' and 'Star Trek Beyond'

Dermot Mulroney does not just act for the big screen — he has also helped produce music audiences hear in major blockbusters.

Mulroney, a trained cellist in addition to actor, recently opened up about his experience performing within orchestras for movies like Star Trek into Darkness, Star Trek Beyond and Rogue One: A Star Wars Story during an appearance on the Inside of You with Michael Rosenbaum podcast.

"Star Trek — yes, I'm in that universe. I'm also in the Star Wars universe. And the Scream-verse, but the other two I'm in because I played in the scoring orchestras," the actor, 60, shared. "So I'm remotely, and I'd be like a way out there planet, way, way out, billions of light years away to the Star Wars universe — but I played two and a half weeks scoring days."

Mulroney explained that he has most frequently played the cello to record film scores with Michael Giacchino, an Oscar-winning composer whom the actor described as the "heir to John Williams."

"So I play for him. It's that orchestra. I don't play across town in, like, open contract gigs," he said. "His contractor calls me. So that that's why I've done so many because once you're in his orchestra, he included me with the greatest musicians in Los Angeles, which of course means the country, which of course means [an] arrival with any in the world. And there I sit in that group."

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Mulroney's IMDb profile lists him as a cellist on nine total movies, beginning with a credit as a musician on 1996's God's Lonely Man. The actor most recently performed on Giacchino's score for the 2018 Pixar film Incredibles 2 and has music credits on two Mission: Impossible sequels in addition to his work on scores for Star Wars and Star Trek movies.

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During the podcast appearance, Mulroney credited his parents with ensuring that he and his siblings were "on time to every lesson, every orchestra camp, everything coming, going, five kids back and forth."

"We all played instruments," he said. "And so this is what would happen: you learn once that they mean downbeat at starting time. So you don't ever come in late. It's wonderful. Not like actors are always late." 

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Elsewhere in the conversation, Mulroney described his longstanding desire to perform music he has written with the celebrated cellist Yo Yo Ma.

"I'm working on a piece, and I've been putting this out there, that I'm going to play with Yo Yo Ma," he said. "Yo Yo Ma doesn't know this yet, unless he stumbled across these media mentions of mine. I've been putting it out there for about three years. I have the piece picked out. It's a cello duo."

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