as William Herndon (voice)
as Horatio Grimes
as Charles Abernathy
as The Ghost Farmer
as Harry S. Truman
as Colonel Christianson
as Major
as Mr. Stern
as Jeremiah Davis
as Maxwell Forrest
as President Sebastián Piñera
as Flight School Instructor
as Leland Owlsley
as Dr. Benton
as Tony O'Hara
as Dean Alex Monroe
as Nicholas Moore
as Bert
as Sheriff Brinson