Hipoteza

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

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