Cast
Horton the Elephant: Andrew Darcy
The Cat in the Hat: John Moynihan
Jojo/Boy: Stephanie Pilavin
    Madison Alexis Kornbliet
Gertrude McFuzz: Cara Read
Mayzie LaBird: Erin Radley
Sour Kangaroo: Nancy Kimble
Young Kangaroo: Julia Pilavin
    Kathryn Kimble
Gen. Genghis Khan Schmitz: Alex Allen
Mr. Mayor: Mike Chateauneuf
Mrs. Mayor: Kara Moulter
Bird Girls: Deirdre McCourt
    Kara Moulter
    Chelsey Ristaino
Thing 1: Elise Miwa
Thing 2: Whitney Sandford
Wickersham Brother: Chris Jordan
Wickersham Brother: Alex Allen
Wickersham Brother: Mike Chateauneuf
The Grinch: Brendan Colcord
Cindy Lou Who: Christina Miller
Yertle the Turtle: Vicki Hammel

The Who's
Brittany Andrea, Carly Chinitz, Deborah DuBourdieu, Alexis Miller, Lindsay Ortmeyer, Jill Pellegrino, Slater Smith, Julia Sprung, Sue Stockwell, Alison Takacs, Katie Veal

Ensemble
Brittany Andrea, Nicole Andrea, Carly Chinitz, Deborah DuBourdieu, Sara Kimble, Matthew Krauss, Julie Lawton, Alexis Miller, Christina Miller, Lindsay Ortmeyer, Jill Pellegrino, Eva Ricci, Slater Smith, Julia Sprung, Sue Stockwell, Alison Takacs, Grace Takacs, Rosemary Takacs, Katie Veal, Angelica Warner

Understudy
Stuffed Elephant Bird: Olivia Moore Read