After appearing in four episodes of Veep‘s third season, Sam Richardson is joining the cast of HBO’s D.C. comedy as a regular for Season 4. Richardson was introduced in the third-season premiere as VP Selina Meyer’s handler during her book tour in Iowa. He will continue to serve as one of her aides. Second City alum Richardson, repped by Innovative Artists and Levity Entertainment Group, has two upcoming feature films: Horrible Bosses 2 and Paul Feig’s Spy.