The Cast of Seussical the Musical
| The Cat in the Hat | Gerard Sandt |
| JoJo | Colin Romaglia |
| Horton, the Elephant | Tom Miller |
| Gertrude McFuzz | Meghan LoBue |
| Mayzie La Bird | Leanne Strahlendorff |
| Sour Kangaroo | Kerry Maher |
| Young Kangaroo | Maria Ibanez |
| Mr. Mayor | Jody Laufer |
| Mrs. Mayor | Madison Sylvester |
| General Genghus Kahn Schmitz | Chip Sylvester |
| The Grinch | Alden Pascua |
| Vlad Vladikoff | Ron Barbarulo |
| Yertle the Turtle | Jim Florio |
| Thing 1 | Darien Fiorino |
| Thing 2 | Andrew Rontantini |
| THE BIRD GIRLS | ||
| Elena Knitel | Kayleigh Barbarulo | Kim O'Shea |
| Zoe Trischka | Emma Miller | Carissa Greene |
| CITIZENS OF THE JUNGLE | ||
| Rachel Kohler | Nicole Parente | Deanna Motta |
| Maggie Chorlian | Julie Roccanova | Olivia Colomier |
| Kristen Walsh | Justine Sandt | Bianca Ragusa |
| Jessica Weathers | Johanna Marto | Bashira Hessami |
| THE WHOS | ||
| Diane Amato | Pat Fopma | Alexis Solomon |
| Alyssa Arlaus | Samantha Fox | Brianna Pascua |
| Denise Barbarulo | Sarah Fox | Riela Popp |
| Karen Brown | Haley Georg | Maritza Puzino |
| Kayla Brown | Danielle Hess | Ivanna Ragusa |
| Lily Chorlian | Meg Kohler | Gabrielle Sandt |
| Sophie Chorlian | Ashlee Limbacher | Barbara Shevlin |
| Britney DelMundo | Erika Murray | Judy Spinato |
| Carly DiSclafani | Emily Pagano | Sam Spinato |
| Elina Tudor |
| THE CADETS | ||
| Luke Fiorino | Brian Belvis | Joseph Baldofsky |
| William Sandt | Joe Barbarulo | Jon Ibanez |
| Michael Spears, Jr. | Richie Limbacher | |
| THE WICKERSHAM BROTHERS | ||
| Michael Spears, Sr. | Alex Miller | Brendan Dolan |
| Ron Barbarulo | Matthew Owitz | |