- Country: USA
- Genres: Animation, Family, Short
- Release: 1981-07-10
- Director: Jerry Kramer , Gary Rocklen
- Writers: Jack Weinstein , Robert Resnikoff
- Language: English
- Stars: Betty Lou Gerson (1914–1999) , Hans Conried , Hans Conried , Clarence Nash
- Runtime: 27 min
- Awards: N/A
- AKA: Once Upon a Mouse , Once Upon a Mouse (United States of America) , ワンス・アポン・ア・マウス (Japan)
- Plot: Once Upon A Mouse: 20 minute chronological retrospective of the works of Walt Disney. Played before the re-release of Snow White and the Seven Dwarfs in 1981. Directed by Ken Rudolph (Kenimation Prod.) Cameraman, Raymond Wojdynski.
- IMDB:tt0278605
Once Upon a Mouse Cast · · · ALL
Jerry Kramer
Director
Gary Rocklen
Director
Hans Conried
Slave in the Magic Mirror (voice)
Walt Disney
(1901–1966)
Himself / Mickey Mouse (voice)
Aurora Miranda
Herself
Clarence Nash
Donald Duck (voice)