Will Ferrell Reggie (voice) Jamie Foxx Bug (voice) Will Forte Doug Isla Fisher Maggie (voice) Randall Park Hunter (voice) Josh Gad Gus (voice) Harvey Guillén Shitstain (voice) Brett Gelman Willy Rob Riggle Rolf (voice) Jamie Demetriou Chester (voice) Sofía Vergara Deliliah the Couch (voice) Mike Dolphy Riley's Dad Dennis Quaid Dennis Quaid