Narrator / Father (home video release) (voice)
Ringo Starr
Oblio's Father / Pointed Man's Right Head / King / Leaf Man / Villagers (voice)
Paul Frees
Count (voice)
Lennie Weinrib
Rock Man (voice)
Bill Martin
Count's Son (voice)
Buddy Foster
Oblio's Mother (voice)
Joan Gerber
Oblio (voice)
Mike Lookinland
Narrator / Father (second telecast)
Alan Barzman
Narrator / Father (first telecast)
Dustin Hoffman
Narrator / Father (third telecast)
Alan Thicke
Producer
Jimmy T. Murakami
Director
Fred Wolf
Animation
Original Music Composer
Harry Nilsson
Story
Songs
Editor
Rich Harrison
Larry Gordon
Carole Beers
Production Manager
Sherm Thompson
Screenplay
Norm Lenzer
Jerry D. Good
Production Design
Gary Lund
Music Arranger
George Aliceson Tipton
Conductor
Charles Swenson
Sound Re-Recording Mixer
James L. Aicholtz
Camera Operator
Tony Rivetti Sr.
Vincent Davis