Hipoteza

Jerzy Zelnik as Professor N. Stanisława Celińska as Student / Worker / Patient / Painter Jerzy Kozłowski as (uncredited)

Andrzej Borecki Assistant Production Design Jerzy Buchwald Production Manager Witold Holtz First Assistant Director Krzysztof Zanussi Director, Screenplay Anna B. Sheppard Costume Design Edward Kłosiński Director of Photography Teresa Barska Production Design