Photo: Lea Thompson/Instagram

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The film’s starsMichael J. Fox,Christopher Lloyd,Lea ThompsonandThomas Wilsonwere all in attendance on Friday at the Fan Expo Boston, where they signed autographs, participated in a panel discussion about the franchise, and posed for somesweet photographstogether.

“Four old friends get back from the future,” Thompson, 57, who played Marty McFly’s mother Lorraine,wrote alongside a shot of the four stars smiling together.

Likely echoing the reaction of the franchise’s many fans, Wilson — who played Biff Tannen —captioned a similar image: “Wow. This just happened.”

“This was special,”added Lloyd, 79,who played Doc Brown in the trilogy of films.

“Basically, I think America is saying,‘Come on they’ve wrecked every other franchise with bad sequels, why not this one?’ “Wilson said, according to MassLive.com.

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Last year, Thompson toldPEOPLE Nowthat she would be willing to reprise her role from the iconic saga — but not for a long time.

“I’ve heard Bob Zemeckis, who was the writer and director of the movie, I think he holds the rights,” Thompson said. “Until he passes, I don’t think there will ever be a sequel. But maybe after he goes, Universal will do it.”

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BACK TO THE FUTURE, Michael J. Fox, Christopher Lloyd, 1985, (c)Universal/courtesy Everett Collectio

“But that’s not for a long time!” she added, before saying that she would “of course” want to take part in a new movie if it ever happens.

source: people.com