Henry
Mrs. Hobbs
The Horrible Thing (Voice)
Mrs. Violets
Principal Cunningham
Lifeguard
Pool Mom #1
Meg Fleener
Benjamin Neal
Pool Mom #2
Grownup Henry
Concerned Neighbor
Russell the Postman
The Horrible Thing
The Horrible Thing eats the worst children in town and Henry is a prime candidate - but no matter how many times he is warned… …Henry Hamilton Hobbs is not afraid of the Horrible Thing.