Jim Varney
as Dr. Otto VonSchnick / Rudd Hardtact / Laughin' Jack / Guy Dandy / Auntie Nelda / Ernest P. Worrell
Jim Varney portrays multiple characters in the movie, including the eccentric Dr. Otto VonSchnick, Rudd Hardtact, Laughin' Jack, Guy Dandy, Auntie Nelda, and Ernest P. Worrell.