Dirty Grandpa the 2016 road trip comedy about an uptight millennial driving his sex-obsessed grandfather, has added Adam Pally to its cast. The movie has already gotten some heavy-hitting Hollywood actors and comedians, including Zac Efron and Robert De Niro. Pally is playing Efron’s character’s crass cousin, most likely more in line with De Niro’s, as Efron attempts to get through the forced road trip right before his wedding. The movie’s cast also includes Zoey Deutch (Vampire Academy), Aubrey Plaza (Parks and Recreation), Julianne Hough (Rock of Ages), and Dermot Mulroney (My Best Friend’s Wedding). Dan Mazer, (known for Borat and Bruno) is directing, and the film is being produced through Lionsgate. Dirty Grandpa is slated to be released on August 12, 2016, and is currently being filmed in Atlanta.