Tom Felton as Draco Malfoy in 'Harry Potter and the Deathly Hallows - Part Two'. (Credit: Warner Bros)

Harry Potter star Tom Felton has revealed it is unlikely the original cast of the film franchise will reunite, even if sequel play Harry Potter and the Cursed Child makes its way to the big screen.

The actor, who played Draco Malfoy in the eight-film series, said “everything that needed to be done was done” in the original franchise, which came to an end in 2011.

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Author J.K. Rowling’s sequel, co-written by her for the stage with Jack Thorne and John Tiffany, follows the children of the central characters in a time-travelling narrative.

Ever since the play debuted in 2016, rumours have swirled of a potential movie adaptation, but Felton doesn’t think he and the original cast are likely to be involved.

“I don’t think it will be reprised, to be honest with you,” he told Red Carpet News TV. “I think it was a wonderful eight chapters, and everything that needed to be done was done.”

View photos Tom Felton, a cast member in "Ophelia," poses at the premiere of the film at the 2018 Sundance Film Festival on Monday, Jan. 22, 2018. (Photo by Chris Pizzello/Invision/AP) More

Felton added: “I think they will take it further on in their own direction, but we’re all still immensely proud to be part of it and we’re glad that it’s still as popular as it once was.”

The 32-year-old said he has had the chance to see the “marvellous” stage show, which he said is “another great feather” in Rowling’s cap as creator of the series.

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In addition to the play, Rowling has continued to expand the big screen Potter universe with the Fantastic Beasts and Where to Find Them series, exploring the time period before the adventures of Harry and his friends.

The third film in that franchise is due to begin filming next year, with Potter veteran Steve Kloves on board to co-write with Rowling and Hogwarts set to play an even bigger role.

Response to the franchise has been mixed, with second film The Crimes of Grindelwald suffering poorer reviews and a lower box office total than its predecessor.