Cast
Maria Homerska
Professor Mareszowa
Witold Skaruch
Kasperski
Zbigniew Płoszaj
Jerzy Zygmunt Nowak
Institute Assistant (uncredited)
Jan Machulski
Ludka's Neighbour
Agnieszka Fitkau
Stefan's Lover
Anna Seniuk
Eliza
Barbara Ludwiżanka
Ludka's Aunt
Janusz Bukowski
Stefan
Małgorzata Lorentowicz
Parents' Committee Member
Ewa Mirowska
Store Clerk
Janina Borońska
Ludka Balwikówna (voice)
Aleksander Sewruk
Ludka's Father
Tadeusz Pluciński
Neighbour's Business Partner
Iwona Słoczyńska
Teacher
Elżbieta Starostecka
Jadzia (voice) (uncredited)