- T&C Film AG
- (T&C Film SA, Zurigo)
- RSI-Radiotelevisione Svizzera
- (RTSI/SSR, in co-production with)
- Société Suisse de Radiodiffusion et Télévision (SSR)
- (RTSI/SSR, in co-production with)
- Cine Saison
- (Japan, 1986)(theatrical)
- Italtoons Corporation
- (United States, 1985)(subtitled, theatrical)
- Stiftelsen Svenska Filminstitutet
- (Sweden, 1985)(theatrical)
- EMI Classics
- (2004)(non-Japan, DVD)
- Icarus Films
- (United States, 2014)
- Casa Verdi
- (filmed at)
- Dipartimento Federale dell'Interno (DFI)
- (contributor)
- Egli Film
- (Egli Film AG, Zuerich, laboratory)
- MIGROS Genossenschaftsbund Zürich
- (Federazione delle Cooperative Migros, contributor)
- Sonor Film
- (Sonor Film AG, Ostermundigen, sound post-production)
Contribute to this page
Suggest an edit or add missing content