Ray Bradbury
— Narrator (voice)
Leonard Nimoy
— Mr. Moundshroud (voice)
Annie Barker
— Jenny (voice)
Alex Greenwald
— Ralph (voice)
Edan Gross
— Tom (voice)
Andrew Keegan
— Wally (voice)
Kevin Smets
— Pip (voice) (as Kevin Michaels)
Darleen Carr
— Additional Voices (voice)
Lindsay Crouse
— Additional Voices (voice)
Mark L. Taylor
— Additional Voices (voice)