According to Variety, Walliams plays a Swiss banker that Tim Conrad (Rudd) and his Fender Financial cohorts hope to impress as a potential investor. Greenwood plays the role of the billionaire, Fender.
The film will shoot this fall with plans for it to be released in July.
Dinner for Schmucks was released July 30th, 2010 and stars Steve Carell, Paul Rudd, Zach Galifianakis, Jemaine Clement, Stephanie Szostak, Lucy Punch, Bruce Greenwood, David Walliams. The film is directed by Jay Roach.