- Michael Shayne as Homer Simpson
- Kay Bentley as Marge Simpson
- Helen Carlson as Lisa Simpson
- Everett Jason as Bart Simpson
- George Trautwein as Barney Gumble
- Carl Izzard as Dr. Julius Hibbert
- Leander Jones - Porter as Joe Swanson
- Tom Linscott as Waylon Smithers, Jr.
- Engineer McGowan as Mayor Joe Quimby
- Conductor Lyons as Lenny
- Conductor Meyers as Carl
- Farm Lady as Maggie Simpson
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