- Gene Deitch Associates (GDA)
- (uncredited)
- Rembrandt Films
- Studio Bratri v triku
- (uncredited)
- Metro-Goldwyn-Mayer (MGM)
- (United States, 1961)(theatrical)
- Metro-Goldwyn-Mayer (MGM)
- (United Kingdom, 1961)(theatrical)
- Krátký Film Praha
- (Czechoslovakia, 1961)(theatrical)
- Shanghai Film Studio
- (China, 1961)(theatrical)
- MeTV
- (United States, 2021)(TV)
- Halas and Batchelor Cartoon Films
- (additional animation services: London, England, UK, uncredited)
- Mushi Production
- (additional animation services: Tokyo, Japan, uncredited)
- Shanghai Animation Film Studio
- (additional animation services: Shanghai, China, uncredited)
- Studio Bratri v triku
- (overseas animation services: Prague, Czechoslovakia, uncredited)
- Toei Animation
- (additional ink and paint and camera services: Tokyo, Japan, uncredited)
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