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)