Thomas Kretschmann as Vater Klaus Kuegler

Nadja Uhl as Mutter Doris Kuegler

Michael Baral as Michael

Isolde Barth as Schuldirektorin

John Keogh as Alec

Sina Tkotsch as Sabine Kuegler - youth

Tina Engel as Oma

Stella Kunkat as Sabine Kuegler - child

Claes Bang as Herb

Sven Gielnik as Christian Kuegler - youth

Tom Hoßbach as Christian Kuegler - child

Martina Ysker as Junge Dame im Internat

Clara Dolny as Susanne

Milena Tscharntke as Judith Kuegler - child

Emmanuel Simeon as Auri - child

Felix Tokwepota as Auri - youth

Walter Rizzardini as Eisverkäufer