Hipoteza (1973)
Directed by Krzysztof Zanussi
Written by Krzysztof Zanussi
Jerzy Zelnik
narrator / Professor N.
Stanisława Celińska
Student / Worker / Patient / Painter
Danuta Rinn
Professor's Wife
Wanda Rucińska
Jerzy Kozłowski
(uncredited)
Tomasz Witt
Fuhrman (uncredited)
