The film follows a pair of salesman, who try and reinvent themselves by signing up for a internship at a large tech company.
The actor will cameo as Owen Wilson's brother-in-law, who sells electronics and makes inappropriate comments about his attractive customers.
Will Ferrell teamed with the comedy duo in Wedding Crashers and is starring in The Campaign with Zach Galifianakis.
No production schedule has been revealed for this project.
The Internship comes to theaters June 7th, 2013 and stars Will Ferrell, Rose Byrne, Vince Vaughn, John Goodman, Owen Wilson, Josh Gad, Joanna Garcia, Jessica Szohr. The film is directed by Shawn Levy.