Elenco - The Eighth Day of the Week
Sonja Ziemann
Agnieszka Walicka
Zbigniew Cybulski
Piotr Terlecki
Barbara Połomska
Ela, Agnieszka's friend
Ilse Steppat
Mrs. Walicka
Emil Karewicz
Zawadzki
Bum Krüger
Stefan Walicki, Agnieszka's father
Tadeusz Łomnicki
Grzegorz Walicki, Agnieszka's brother
Jan Świderski
Journalist
Zbigniew Wójcik
Painter
Władysław Dewoyno
MO Lieutenant
Roman Hubczenko
Accomodation Department Clerk
Leon Niemczyk
"Ciapuś", Ela's "fiancé"
Janusz Ściwiarski
Accordionist in Zieleniak pub
Halina Buyno-Łoza
Piotr's neighbor (uncredited)
Mieczysław Czechowicz
Thug on Agnieszka's Street (uncredited)
Kazimierz Dejunowicz
Taxi Driver (uncredited)
Wiktor Grotowicz
Man in Zieleniak pub (uncredited)
Helena Gruszecka
Agnieszka's neighbor (uncredited)
Cezary Julski
Rysiek, thug on Agnieszka's street (uncredited)
Antoni Jurasz
Thug on Agnieszka's street (uncredited)
Roman Kłosowski
Thug on Agnieszka's street (uncredited)
Marian Łącz
Thug on Agnieszka's street (uncredited)
Klemens Mielczarek
Thug on Agnieszka's street (uncredited)
Barbara Modelska
Girl in café mistaken for Agnieszka (uncredited)
Henryk Modrzewski
Worker at CDT Department Store (uncredited)
Adam Mularczyk
Thug on Agnieszka's street (uncredited)
Lech Ordon
"Duduś", Ela's "fiancé" (uncredited)
Józef Pieracki
Drunkard in Zieleniak pub (uncredited)
Czesław Roszkowski
Agnieszka's neighbor (uncredited)
Włodzimierz Skoczylas
"Pimpuś", Ela's "fiancé" (uncredited)
Kazimierz Stankiewicz
Thug on Agnieszka's street (uncredited)
Janusz Ziejewski
Man watching Agnieszka from a car (uncredited)Alina Borkowski
Dancer (uncredited)Stanisław Milski
Stefan Walicki (voice) (uncredited)