Based on a true-story - A Plumm Summer tells the remarkable tale of two young brothers, Elliott and Rocky Plumm, who go head-to-head with the FBI in order to crack the "frog-napping" case and get their beloved TV puppet, Froggy Doo back on the air, all the while become local heroes and best friends.
| Actor | Role |
|---|---|
 Jeff DanielsNarrator | Narrator |
 Henry WinklerHappy Herb | Happy Herb |
 Lisa GuerreroRoxie Plumm | Roxie Plumm |
 Chris MassogliaElliott Plumm | Elliott Plumm |
 Owen PearceRocky Plumm | Rocky Plumm |
 William BaldwinMicky Plumm | Micky Plumm |
 Fuschia SumnerMarsha | Marsha |
| MMorgan FlynnHaley Dubois | Haley Dubois |
 Brenda StrongViv | Viv |
 Tim QuillWayne Dubois | Wayne Dubois |
 Peter ScolariAgent Hardigan | Agent Hardigan |
 Rick OvertonAgent Brinkman | Agent Brinkman |
 Richard RiehleArt Bublin | Art Bublin |
 Clint HowardBinky the Clown | Binky the Clown |
| GGavin BlackWally | Wally |
| BBen TrotterOrin | Orin |