ACT I
Oh, the Thinks You Can Think!
Cat in the Hat, Boy, Horton, Mr. Mayor, Mrs. Mayor, Gertrude, Mayzie, Sour Kangaroo, Schmitz, Thing 1 and Thing 2
Horton Hears a Who
Horton, Bird Girls, Wickershams
Biggest Blame Fool
Sour Kangaroo, Horton, Wickershams, Bird Girls, Cat, Gertrude, Mayzie, Boy
Here On Who
Mr. Mayor, Mrs. Mayor, Whos, Grinch, Horton
It's Possible
Jojo, Cat, Fish
How to Raise a Child
Mrs. Mayor, Mr. Mayor
The Military
Schmitz, Cadets, Cat
Alone in the Universe
Horton, Jojo
The One Feather Tail of Miss Gertrude McFuzz
Gertrude, Cat
Amayzing Mayzie
Mayzie, Gertrude, Bird Girls
Amayzing Gertrude
Gertrude, Bird Girls, Cat
Monkey Around
Wickershams
Chasing the Whos
Sour Kangaroo, Bird Girls, Wickershams, Cat, Horton, Whos
How Lucky You Are (Mayzie's Reprise)
Mayzie
Horton Sits On The Egg/ Act 1 Finale
Company
ACT II
Egg, Nest, & Tree
Sour Kangaroo, Bird Girls, Wickersham, Cat, Horton
The Circus McGurkus
Cat, Circus Performers
The Circus on Tour
Horton, Cat, Circus Performers
Mayzie in Palm Beach
Mayzie, Cat
Solla Sollew
Horton, Whos, Jojo, Mr. Mayor, Mrs. Mayor
The Whos' Christmas Pageant
Whos, Grinch
