Bettina Bush
Rainbow Brite (voice) (as Bettina)
Pat Fraley
Lurky / On-X / Buddy Blue / Dog / Guard / Spectran / Slurthie / Glitterbot (voice) (as Patrick Fraley)
Peter Cullen
Murky Dismal / Castle Monster / Glitterbot / Guard / Skydancer / Slurthie (voice)
Robbie Lee
Twink / Shy Violet / Indigo / La La Orange / Spectran / Sprites (voice)
Andre Stojka
Starlite / Wizard / Spectran (voice)
David Mendenhall
Krys (voice)
Rhonda Aldrich
The Princess / The Creature (voice)
Les Tremayne
Orin / Bombo / TV announcer (voice)
Mona Marshall
Red Butler / Witch / Spectran / Castle Creature / Patty O'Green / Canary Yellow (voice)
Jonathan Harris
Count Blogg (voice)
Marissa Mendenhall
Stormy (voice)
Scott Menville
Brian (voice)
Charlie Adler
Popo (voice)
David Workman
Sargeant Zombo (voice)
Directing
Writing
Jean Chalopin
Screenstory
Howard R. Cohen
Screenstory
Howard R. Cohen
Scenario Writer
Jean Chalopin
Scenario Writer
Howard R. Cohen
Writer
Jean Chalopin
Writer
Production
Jean Chalopin
Executive Producer
Victor Villegas
Associate Producer
Alan Lee
Associate Producer
Andy Heyward
Executive Producer
Marsha Goodman
Casting
Ginny McSwain
Casting
Tetsuo Katayama
Producer