On screen
Cast
15 credited performers
Lee Tockar
Yakkity (voice)
Brian Drummond
Keo (voice)
Andrea Libman
Lemony (voice)
Pam Hyatt
Granny Yak (voice)
Scott McNeil
Prof. Crazyhair (voice)
Ian James Corlett
Mr. Highpants / Rondo (voice)
Jason Schombing
Trilo (voice)
Michael Daingerfield
Keo's Dad (voice)
Tabitha St. Germain
Penelope (voice)
Brenda Crichlow
Character not listed
Quinton Flynn
Character not listed
Gilbert Gottfried
Character not listed
Marty Grabstein
Character not listed
Sam Seder
Character not listed
Jeff Bennett
Character not listed