'Das Geheimnis der schwarzen Koffer'-Featurette
Crew and cast members talk about the making of the 1962 film 'Das Geheimnis der schwarzen Koffer'.
- Genre: Documentary
- Director: Axel Klawuhn
- Cast: Artur Brauner, Eva Ebner, Chris Howland, Senta Berger, Gerhard Hartig
- Country: Germany