Zac Efron has found his leading lady for the upcoming teen comedy 17. According to The Hollywood Reporter, she is none other than Eurotrip's Michelle Trachtenberg.

The Office's Melora Hardin has also come aboard this New Line project, which sees a middle aged man waking up to find out that he has reverted back to the age of 17. Mathew Perry was recently cast as the older version of Efron's character.

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In a page right out of Back to the Future, Trachtenberg will play the high school girl with a crush on Efron's character. Little does she know, the guy is actually her dad. Production is set to star this month.