Jojo is the audience's link to the story. The audience follows the narrative through his eyes (he's also referred to as Child), so it's most important to cast a young man with an earnest and open disposition. He should be a great singer and actor.

Gender: Male
Vocal Range: B3-Db5

The Cats (Cat 1, Cat 2, Cat 3) are mischievous, spirited creatures who take JoJo and the audience on quite an adventure. Cast three actors, male or female, with great singing chops and who can move well. Since the Cats take on different roles throughout the play, these actors should be bold, versatile and able to switch roles at the drop of a dime.

Gender: Both
Vocal Range: Bb3-D5

Horton is a loveable elephant with a heart of gold. Cast a young performer who can sing well and convey great loyalty and conviction to the Whos.

Gender: Male
Vocal Range: Ab3-E5

Mr. Mayor is the mayor of Whoville and the perfect picture of patriarchy. He tries to keep the town happy and secure, which is quite a job since the tiny Whos are always in danger of being swept away and lost. Cast a young man who can portray an older age and a sense of authority. Mr. Mayor has a few featured lines sung with Mrs. Mayor, so it's great if the two actors' voices work well together

Gender: Male

Mrs. Mayor is the mayor's wife and is most concerned with trying to make sure her son, JoJo, stays in line. Cast a fine singer and actor complementary of Mr. Mayor and JoJo, whose voice blends well with Mr. Mayor.

Gender: Both

Gertrude McFuzz is a bird with tail envy! Cast a great performer who can sing, act and is a perfect match for Horton.

Gender: Female
Vocal Range: G3-C5

Mayzie LaBird is a sneaky bird who tricks Horton into helping her take care of her egg. Cast a young woman who can express a fun, jovial and careless spirit.

Gender: Both
Vocal Range: Bb3-D4

Sour Kangaroo is as sour as a kangaroo can be. Cast a young woman who can sing and act well and can serve up a good deal of attitude. The two kangaroos should function well as a pair.

Gender: Female
Vocal Range: C4-Db5

Feel free to cast a younger performer in the role of Young Kangaroo, who could be played by a boy or girl. The two kangaroos should function well as a pair.

Gender: Both

Wickersham Brothers (Wickersham 1, Wickersham 2, Wickersham 3) are a trio of trouble-making monkeys! Cast three boys or girls who can make strong physical choices, complement one another well and bring a strong, diverse energy to their mischief. Wickersham 3 has mostly solos that aren't sung, so make sure that actor has great diction and a strong sense of rhythm.

Gender: Male
Vocal Range: A3-E4

Judge Yertle the turtle presides over Horton's court proceedings. This is a fun role for a performer who can make strong acting choices.

Gender: Both

Vlad Vladikoff is an eagle who drops Whoville into a field of clovers! Cast a young performer who has a great sense of comedy and can make strong acting choices in this fun cameo role.

Gender: Both

The Whos, Jungle Citizens (1-5), Fish, the Wickershams, the Talk Show Hostand Marshal are all essential roles for creating the vivid and imaginative world of Seuss. Each creature or person should embody the characters with bold choices and a strong connection to the rest of the players.

Gender: Both