Hipoteza

Jerzy Zelnik

Professor N.

Stanisława Celińska

Student / Worker / Patient / Painter

Danuta Rinn

Professor's Wife

Wanda Rucińska

Jerzy Kozłowski

(uncredited)

Tomasz Witt

Coachman (uncredited)

Joanna Krauze

Assistant Director

Urszula Śliwińska

Editor

Krzysztof Zanussi

Director

Michal Sulkiewicz

Set Decoration

Anna B. Sheppard

Costume Design

Wiesława Dembińska

Sound

Konrad Bryzek

Conductor

Edward Kłosiński

Director of Photography

Wojciech Kilar

Original Music Composer

Halina Sieńska

Makeup Artist

Janina Krassowska

Production Manager

Maciej Falkowski

Assistant Director

Hanna Kosinska

Assistant Director

Jerzy Buchwald

Production Manager

Teresa Barska

Production Design

Krzysztof Zanussi

Screenplay

Jeremi Maruszewski

Assistant Production Manager

Arkadiusz Piechal

Assistant Production Manager

Krzysztof Waś

Assistant Production Manager

Łucja Ośko

Assistant Editor

Andrzej Borecki

Assistant Production Design

Joanna Lelanow

Assistant Production Design

Witold Holtz

First Assistant Director

Maria Dziewulska

Assistant Makeup Artist

Anna Biel

Costume Assistant

Aleksander Goldbeck

Sound Assistant

Jan Ossowski

Assistant Camera

Jerzy Tomczuk

Assistant Camera