And Step Up star Channing Tatum is reportedly at the top of the list to join Jonah Hill as one-half of the undercover police duo fighting crime in high schools.

Jonah Hill, who is also writing the screenplay, recently revealed he has also written a part for Johnny Depp in the film - and is reaching out to the superstar to persuade him to spend a day on set.

He said, "We wrote a cameo for him so we hope he does it."