Dave Franco, the actor-writer brother of James Franco, has joined the cast of Fox's remake 21 Jump Street as a villain.

The actor will play Eric, the most popular kid in high school who also happens to be a drug dealer. Jonah Hill's undercover cop character befriends Eric in order to bust his drug operation. Channing Tatum and Ice Cube also star in 21 Jump Street.

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We reported yesterday that Rob Riggle will play another villain in the reboot, which follows a group of undercover cops who infiltrate a high school to stop crime.

Cloudy with a Chance of Meatballs directors and Phil LordChris Miller will direct from a script by Michael Bacall,Joe Gazzam, and Jonah Hill.

We reported in February that the filmmakers still want Johnny Depp for a cameo role in 21 Jump Street. It seems that plans are being made for the actor to come on for a day and shoot his cameo, although it hasn't been made official yet. Johnny Depp starred in the 21 Jump Street TV series, which ran from 1987 to 1991.