Dustin Hoffman
Narrator / Father (first telecast)
Ringo Starr
Narrator / Father (home video release) (voice)
Paul Frees
Oblio's Father / Pointed Man's Right Head / King / Leaf Man / Villagers (voice)
Bill Martin
Rock Man (voice)
Mike Lookinland
Oblio (voice)
Alan Thicke
Narrator / Father (third telecast)
Lennie Weinrib
Count (voice)
Buddy Foster
Count's Son (voice)
Joan Gerber
Oblio's Mother (voice)
Alan Barzman
Narrator / Father (second telecast)