- Country: West Germany
- Genres: Comedy, Crime
- Release: 1986-10-09
- Director: Peter Weck
- Writers: Marcus Conradt , Felix Huby
- Language: German
- Stars: Martin Held , Peter Schiff , Brigitte Mira , Diether Krebs , Winfried Glatzeder , Gisela Trowe , Hans-Jürgen Schatz , Lutz Mackensy , Peter Fricke , Peter Matic
- Runtime: 90 min
- Awards: N/A
- AKA: Was zu beweisen war , Was zu beweisen war
- Plot: N/A
- IMDB:tt0122792
Was zu beweisen war Cast · · · ALL
Peter Weck
Director
Martin Held
Wilhelm Kaiser
Brigitte Mira
Mrs. Pecari
Gisela Trowe
Elli
Hans-Jürgen Schatz
Screenwriter
Peter Fricke
Producer
Lutz Mackensy
Director
Diether Krebs
Niedlich
Winfried Glatzeder
Hornung
Peter Schiff
Alwin Bong
Dirk Dautzenberg
Peter Matic
H.H. Müller
Almut Eggert
Horst Schön
Herbert Steinmetz