Jan is a young assistant professor in chemistry and a workaholic, Anna is an unsuccessful science writer who turns to Jan for advice and human compassion, but Jan, absorbed with his career, remains immune to Anna's clumsy efforts to pierce his defenses.

• Studio Filmowe Tor
• Zbigniew Zapasiewicz
• Maja Komorowska
• Jan Kreczmar
• Eugenia Herman
• Krzysztof Machowski
• Jadwiga Colonna-Walewska
• Bogdan Niewinowski
• Marian Glinka