Leslie Mann will star opposite Zac Efron in New Line's teen comedy 17, being directed by Burr Steers. Jason Filardi wrote the script.

According to The Hollywood Reporter, Mann will play Scarlett, the wife of the adult character played by Efron.

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Likened to Tom Hanks' character in 1988's Big, the film's story centers on a grown man who finds himself as a 17-year-old trying to navigate high school.