Małżeństwo z rozsądku ("Marriage of Convenience") is a Polish musical comedy from 1966 directed by Stanisław Bareja.
| Writing | Krzysztof Gruszczyński | Screenplay |
| Directing | Stanisław Bareja | Director |
| Camera | Franciszek Kądziołka | Director of Photography |
| Editing | Krystyna Rutkowska | Editor |
| Sound | Jerzy Matuszkiewicz | Original Music Composer |
| Art | Anatol Radzinowicz | Production Design |
| Costume & Make-Up | Katarzyna Chodorowicz | Costume Design |
| Sound | Jan Szmańda | Sound |
| Costume & Make-Up | Irena Kosecka | Makeup & Hair |
| Production | Włodzimierz Śliwiński | Production Manager |
| Production | Edward Zajiček | Production Manager |
| Art | Wiesława Chojkowska | Set Decoration |
| Directing | Waldemar Podgórski | Assistant Director |
| Directing | Daniel Bargielowski | Assistant Director |
| Directing | Czesław Curyłło | Assistant Director |
| Camera | Wiesław Pyda | Assistant Camera |
| Directing | Bogdan Borewicz | Assistant Director |
| Camera | Wojciech Urbanowicz | Assistant Camera |
| Camera | Józef Marczak | Assistant Camera |
| Art | Teresa Barska | Assistant Production Design |
| Art | Zdzislaw Staszewski | Assistant Production Design |
| Crew | Krystyna Mazurówna | Choreographer |
| Editing | Łucja Ośko | Assistant Editor |
| Costume & Make-Up | Irena Czerwińska | Assistant Makeup Artist |
| Art | Radwan Pąkowski | Painter |
| Art | Szymon Kobyliński | Graphic Designer |
| Production | Jerzy Owoc | Assistant Production Manager |
| Production | Franciszek Petersile | Assistant Production Manager |
| Production | Mieczysław Adler | Assistant Production Manager |