Cast[]
- Jim Dodge as The Cat in the Hat
- Josie McClellan as Sarah Hall-Small
- Nestor Pyle as Mack the Turtle
- Gil Kinney as Sam-I-Am
- Bud Dodge as Horton the Elephant
- Dotty Dodge as Cindy Lou Who
- Roger Roy McClellan as Mr. Brown
- Bob Bosenbeck as Thidwick the Big-Hearted Moose
- The Stor Custodian as King Derwin