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Debi Derryberry as Tad (voice) |
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Joey Camen as Mr. Frog (voice) |
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Sheryl Bernstein as Mrs. Frog / Letters (voice) |
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Joe Alaskey as Berfter / Letters (voice) |
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Ogie Banks as Letters (voice) |
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Sandy Fox as Lily (voice) |
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Ginny Westcott as Additional Characters (voice) |
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Henry Gifford as A Students (voice) |
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Michael Mendelson as Letters (voice) |
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Candi Milo as Leap (voice) |
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Tony Pope as Professor Quigley (voice) |
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Roger Rose as Letters (voice) |
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Kevin Schon as Letters (voice) |
| Sound | Brian Mann | Songs |
| Sound | Jeanne Parson | Songs |
| Production | Chris D'Angelo | Executive Producer |
| Crew | Tom Gleason | Post Production Supervisor |
| Directing | Roy Allen Smith | Director |
| Sound | Craig Dobbin | Songs |
| Writing | John Ludin | Writer |
| Production | Rodel Ada | Producer |
| Production | William T. Baumann | Executive Producer |
| Production | Mimbi Eloriaga | Producer |
| Production | Tom Gleason | Producer |
| Production | Bruce D. Johnson | Producer |
| Production | Bruce D. Johnson | Executive Producer |
| Production | Michael K. Ross | Producer |
| Production | Eliza Tamayo | Producer |
| Sound | Craig Dobbin | Original Music Composer |
| Sound | Brian Mann | Original Music Composer |
| Production | Joey Paul Jensen | Casting Director |
| Production | Tim Wolkiewicz | Production Manager |
| Visual Effects | Kimberly Bitsui | Color Designer |
| Art | Robert H. "Bob" Fuentes III | Storyboard Artist |
| Art | Virginia Hawes | Prop Designer |
| Art | Eric Lusk | Storyboard Artist |
| Art | Richard Ory | Prop Designer |
| Visual Effects | Ellen Jin Over | Color Designer |
| Art | Tom Riggin | Storyboard Artist |
| Art | Rafael Rosado | Storyboard Artist |
| Art | Tom Rubalcava | Prop Designer |
| Art | Matthew Stroup | Storyboard Artist |
| Art | Mark Swan | Storyboard Artist |
| Art | Byron Vaughns | Storyboard Artist |
| Art | Joe Vaux | Storyboard Artist |
| Art | Tim Wolkiewicz | Storyboard Artist |
| Art | Mark Zoeller | Storyboard Artist |
| Visual Effects | Lani Barcelona | Animation |
| Visual Effects | Lito De Lara | Animation |
| Art | Dan Fausett | Background Designer |
| Visual Effects | Virginia Hawes | Character Designer |
| Visual Effects | Jun Lampano | Animation |
| Visual Effects | Jojo Monteron | Animation |
| Visual Effects | Richard Ory | Character Designer |
| Visual Effects | Oscar Perez | Animation Director |
| Visual Effects | Man Pinza | Animation |
| Visual Effects | Raymond Romero | Animation |
| Visual Effects | Tom Rubalcava | Character Designer |
| Art | Poe K. Tan | Background Designer |
| Art | Dean Thompson | Background Designer |
| Editing | Don Burt | Online Editor |
| Production | Matthew Stroup | Production Assistant |
| Production | Siobhan Vivian | Production Assistant |
| Production | Susan McDonald | Production Accountant |
| Production | Kris Wozniak | Production Accountant |
| Production | Frank Saperstein | Production Executive |
| Crew | Tim Bender | Thanks |
| Crew | Tim Dale | Thanks |
| Crew | Tom Kalinske | Thanks |
| Crew | Jim Marggraff | Thanks |
| Crew | Tom Prichard | Thanks |
| Crew | Paul Rioux | Thanks |
| Crew | Madeline Schroeder | Thanks |
| Crew | Sarina Simon | Thanks |
| Crew | Mike Wood | Thanks |
