On screen
Cast
14 credited performers
Artwork unavailable
Camden Welker
Henry
Artwork unavailable
Chelsey Fuller
Mrs. Hobbs
James Arnold Taylor
The Horrible Thing (Voice)
Artwork unavailable
Dajanae Cole
Mrs. Violets
Artwork unavailable
Joe Leadingham
Principal Cunningham
Artwork unavailable
Anson Eggerss
Lifeguard
Artwork unavailable
Laura Boyd
Pool Mom #1
Artwork unavailable
Katarina Greer
Meg Fleener
Artwork unavailable
Atticus Pope
Benjamin Neal
Artwork unavailable
Ericka Black
Pool Mom #2
Artwork unavailable
Walter Green
Grownup Henry
Artwork unavailable
Weezie Green
Concerned Neighbor
Artwork unavailable
Russell Baum
Russell the Postman
Artwork unavailable
Hillard Cozine
The Horrible Thing