Guest Stars Jason Sudeikis voices Holt Ann Richter David Lynch voices Gus Alec Sulkin voices Additional Voices Glenn Howerton voices Ernie Krinklesac Kristen Wiig voices Fern Stapleton Kevin Biggins voices Additional Voices Travis Bowe voices Additional Voices Glenn Howerton voices Special Agent Kelleher Jason Sudeikis voices Dr. Simmons Ashley Tisdale voices Lacey Stapleton Edward Asner voices Editor Jamie Kennedy voices Homeless Man Jamie Kennedy voices Dragon John Viener voices Mr. Coulibay John Viener voices French Guy John Viener voices Businessman Laura Hilker voices Additional Voices Joanna Schochet voices Additional Voices