(CNN) — They’ve left Dunder Mifflin behind, but not each other.

John Krasinski will direct his previous “The Office” costar Steve Carell in his new movie, “If.”

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The movie is a tale about “a child’s ride to rediscover their imagination,” reports Deadline, and will be directed, written and produced by Krasinski.

Krasinski took to social media Tuesday with the news, adding a series of photos of Carell, along with Ryan Reynolds, Phoebe Waller-Bridge, Louis Gossett Jr., Fiona Shaw, Alan Kim and Cailey Fleming.

“Ah, what if one day I could assemble my dream cast? What … IF,” he wrote.

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The movie will mark the duo’s first professional collaboration since “The Office.”

“The Office” debuted in 2005 and ran until 2013 and also starred Mindy Kaling, Rainn Wilson, B.J. Novak, Angela Kinsey and Jenna Fischer.

“If” is planned to be released on Nov. 17, 2023.

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