Adam Pally joins 'Dirty Grandpa'

Adam Pally is the latest actor to join Zac Efron and Robert De Niro in comedy drama 'Dirty Grandpa'.

The 2016 comedy is about an young lad (Efron) on a road trip with his foul-mouthed grandfather (De Niro). It is currently filming in Atlanta.

Pally, 32, will play Efron's crass and crude cousin in the film, which also stars Aubrey Plaza, Zoey Deutch and Dermot Mulroney.

Dan Mazer is directing the film from a screenplay by John Phillips. Barry Josephson, Bill Block, Michael Simkin and Jason Barrett will act as producers.

'Dirty Grandpa' is slated to release on August 12, 2016.