Ronnie Schell
Jason (voice) (85 eps)
Casey Kasem
Mark (voice) (85 eps)
Janet Waldo
Princess / Susan (voice) (85 eps)
Alan Young
Keyop / 7-Zark-7 (voice) (85 eps)
Alan Dinehart
Tiny / Chief Anderson (voice) (85 eps)
Keye Luke
Zoltar / The Spirit / Colonel Cronus (voice) (85 eps)