Mikey's chances of winning the science fair take a nosedive when his experiment suffers a crash landing but the discovery of a dinosaur bone revives his dashed hopes.
| Actor | Role |
|---|---|
| RRichard RobbinsMikey Wisniewski | Mikey Wisniewski |
| MMatthew MillerDavid McKenzie | David McKenzie |
| NNathan PinnerNathan Thornridge | Nathan Thornridge |
| EEmily RanieriGrace Lee | Grace Lee |
| AAmanda NicholsAmber McKenzie | Amber McKenzie |
| LLonnie PolsonMr. Thornridge | Mr. Thornridge |
| MMargaret PolsonMrs. Thornridge | Mrs. Thornridge |
| GGary WeierMr. Kravitz | Mr. Kravitz |
| JJeff StegallDr. Pilzer | Dr. Pilzer |
| PPhilip EouteSimon | Simon |
| CChristopher NicholasEdgar Smith | Edgar Smith |
| AAbby GarlandAmy Borrows | Amy Borrows |
| CClaudia AndersonJudge | Judge |
| DDuane NicholsJudge | Judge |
| GGail NicholasPrincipal | Principal |
| DDave EouteJanitor | Janitor |
| LLisa ZydowiczSecretary | Secretary |