Characters played by Hazel Shermet
Henrietta Hippo
Characters played by Jesse White
Mr. Bigwig
Professor Gordon
Characters played by Doug Momary
Doug
Characters played by Emily Peden
Emmy Jo
Characters played by Sharon Baird
Charlie the Owl
Characters played by Yanco Inone
Freddie the Frog
Characters played by Larri Thomas
Henrietta Hippo
Characters played by Jim Backus
Traveling Salesman
Characters played by Henry Mancini
Self
Characters played by Pat Paulsen
Mr. Weamish
Characters played by Jo Anne Worley
Vanessa Gramcracker
Characters played by Chuck Woolery
Mr. Dingle
Characters played by Fran Ryan
Ms. Goodbody