Bob Newhart
Bernard (voice)
Eva Gabor
Miss Bianca (voice)
Geraldine Page
Madame Medusa (voice)
Joe Flynn
Mr. Snoops (voice)
Jeanette Nolan
Ellie Mae (voice)
Pat Buttram
Luke (voice)
Jim Jordan
Orville (voice)
John McIntire
Rufus (voice)
Michelle Stacy
Penny (voice)
Bernard Fox
The Chairman (voice)
Larry Clemmons
Gramps (voice)
James MacDonald
Evinrude / Brutus / Nero (voice)
George Lindsey
Rabbit (voice)
Bill McMillian
TV Announcer (voice)
Dub Taylor
Digger (voice)
John Fiedler
Owl (voice)
Robie Lester
Miss Bianca (singing voice, uncredited)
Peter Renaday
American Deligate (voice) (uncredited)
James Koford
Editor
Wolfgang Reitherman
Director
James Melton
Editor
Ron Miller
Executive Producer
Wolfgang Reitherman
Producer
Artie Butler
Original Music Composer
Herb Taylor
Sound Supervisor
Carol Connors
Songs
Ayn Robbins
Songs
Sammy Fain
Songs
Sylvia Roemer
Layout
Daniela Bielecka
Background Designer
Margery Sharp
Novel
Larry Clemmons
Story
Ken Anderson
Story
Vance Gerry
Story
Ted Berman
Story
Burny Mattinson
Story
Frank Thomas
Story
David Michener
Story
Fred Lucky
Story
Dick Sebast
Story
John Lounsbery
Director
Art Stevens
Director
Mel Shaw
Title Designer
Eric Lawson
Title Designer
Burny Mattinson
Title Designer
Don A. Duckwall
Production Manager
Evelyn Kennedy
Music Editor
John Pomeroy
Animation
Cliff Nordberg
Animation
Andrew Gaskill
Animation
Gary Goldman
Animation
Art Stevens
Animation
Dale Baer
Animation
Chuck Harvey
Animation
Ron Clements
Animation
Bob McCrea
Animation
Bill Hajee
Animation
Glen Keane
Animation
Don Bluth
Supervising Animator
Milt Kahl
Supervising Animator
Frank Thomas
Supervising Animator
Ollie Johnston
Supervising Animator
Jack Buckley
Visual Effects
Ted Kierscey
Visual Effects
Dorse A. Lanpher
Visual Effects
James L. George
Visual Effects
Dick N. Lucas
Visual Effects
Jeffrey C. Patch
Assistant Director
Richard Rich
Assistant Director
Stan Green
Animation
Dale Oliver
Animation
Chuck Williams
Animation
Harry Hester
Animation
Walt Stanchfield
Animation
Dave Suding
Animation
Leroy Cross
Animation
Don Griffith
Art Direction
Joe Hale
Layout
Guy Deel
Layout
Thomas W. Lay Jr.
Layout
Al Dempster
Color Designer
Jim Coleman
Background Designer
Ann Guenther
Background Designer
Shelby Flint
Vocals