
A rational young man and his devoutly Catholic wife believe their sickly son may have leukemia. As they await further tests over a weekend they both struggle with a crisis of faith in both science and Catholicism.
Krzysztof Zanussi
Karol, syn Olgi i Tomasza

Stefan Burczyk
profesor

Agnieszka Wawrzkiewicz
sekretarka profesora

Cezary Żak
kierowca
Krystyna Bigelmajer
recepcjonistka (nie występuje w napisach)