Justin Shenkarow
Izzy (voice)
Alice Ghostley
Coriba (voice)
Victoria Carroll
Fortius (voice)
Kay E. Kuter
Citius (voice)
Jeff Bennett
Altius (voice)
Tress MacNeille
Mom (voice)
Rob Paulsen
Dad (voice)
Scott Menville
Martin (voice)
Jim Cummings
Narrator (voice)
Mike Simmrin
Spartin (voice)