Superman spoilers follow.

James Gunn’s Superman reboot starring David Corenswet is less than two weeks away from launching, but one of its big cameos has already been revealed.

The director himself made the revelation in an interview with YouTube channel Jake’s Takes, so if you don’t want to know, look away before reading ahead as there will be some mild spoilers.

Gunn revealed that Superman’s father, Jor-El, will be played by none other than Bradley Cooper, who starred as Rocket Raccoon in Gunn’s Guardians of the Galaxy trilogy for the Marvel Cinematic Universe.

In the video, Gunn shared that he called upon Cooper, who he deemed a “close friend”, to do him a solid, with the actor agreeing to a small voice part in the upcoming superhero film.

guardians of the galaxy's rocket raccoon

Marvel Studios

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“I just said, ‘Hey, will you do me a favour? Come down, go to England, we’re going to shoot you in a 3D environment, make a hologram of you, and you can play Jor-El.'” recalled the director. “He was like, ‘Okay.'”

At the moment, Cooper is just making a little cameo appearance, but Jor-El could potentially turn up in future films with a meatier role as Gunn teased: “You never know. It’s possible.”

A few other actors who have previously worked with the filmmaker are providing small voice-acting roles in the film, with Michael Rooker, Pom Klementieff and Alan Tudyk all set to play robots in the Fortress of Solitude.

david corenswet, superman

Warner Bros.

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While Cooper will have a small role, Nicholas Hoult will have a chunkier part as he portrays Superman’s arch-nemesis Lex Luthor, with the actor recently teasing that fans may even find themselves agreeing with the supervillain.

“Even though you perhaps don’t agree with his process, there’s an element where you can understand on some levels where he’s coming from and why what he’s pushing as his ideology is perhaps better for humanity,” said the actor.

Superman is released in cinemas on 11 July.

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Joe Anderton is a freelance news writer at Digital Spy, having worked there since 2016. In his time, he’s covered a host of live events and interviewed celebrities big and small. A big fan of TV and movies both mainstream and obscure, Joe also enjoys video games and in particular PlayStation. Joe currently does not use Twitter, but he only ever used it to tell people to watch the film Help! I’m a Fish.