Kevin Osgood

Pete

Danielle Decker

Tracy

Sandra Conally

Rainbow Brite (costumed character)

Anna Ponce DeLeone

Murky Dismal (costumed character)

Rosemarie Thornton

Murky Dismal (costumed character)

Frankie Godinez

Lurky (costumed character)

Lucille Bliss

Narrator (voice)

Peter Cullen

Murky Dismal (voice) (uncredited)

Pat Fraley

Lurky (voice) (uncredited)

Robbie Lee

Twink (voice) (uncredited)

Bettina Bush

Rainbow Brite (voice) (uncredited)