Sisters, or the Balance of Happiness () is a 1979 West German drama film written and directed by Margarethe von Trotta. Cast Jutta Lampe as Maria Sundermann Gudrun Gabriel as Anna Sundermann Jessica Früh as Miriam Grau Konstantin Wecker as Robert Edelschneider Agnes Fink as Mutter Sundermann Heinz Bennent as Münzinger Rainer Delventhal as Maurice Münzinger Fritz Lichtenhahn as Fritz Günther Schütz as Professor Ilse Bahrs as Blinde Frau Barbara Sauerbaum as Maria as a Child Marie-Helena Diekmann as Anna as a Child Lieselotte Arnold as Frau Eder Editha Horn as Sister of Blind Woman Ellen Esser as Nurse Fritz Heinrich Marmann as Porter Edith Garden as English language teacher Kathie Thomsen as Flutist Volker Schwab as Robert's Colleague Accolades In 1980, the film won the Film Award in Gold at the German Film Awards and in 1981 it won the Grand Prix at the Créteil International Women's Film Festival. References External links 1979 films 1979 drama films German drama films West German films 1970s German-language films Films directed by Margarethe von Trotta Films about sisters 1970s German films