It stars Art Carney, Sandy Duncan and Glen Campbell, each playing a dual role. Art Carney plays both a miserly grandfather referred to as "Gramps" and a jolly magician named Dr. Wunderbar. Sandy Duncan plays a Disneyland tour guide and Snow White. Glen Campbell plays a Disneyland cast member and Santa Claus.
| Actor | Role |
|---|---|
 Art CarneyGramps / Dr. Wunderbar | Gramps / Dr. Wunderbar |
 Glen CampbellGrandpa Jones / Disneyland Visitor | Grandpa Jones / Disneyland Visitor |
 Brad SavageNot listed | Not listed |
| TTerri Lynn WoodNot listed | Not listed |
 Sandy DuncanTour Guide | Tour Guide |