Elementarteilchen

Christian Ulmen

Michael Djerzinski

Moritz Bleibtreu

Bruno Klement

Martina Gedeck

Christiane

Franka Potente

Annabelle

Nina Hoss

Jane

Corinna Harfouch

Dr. Schäfer

Uwe Ochsenknecht

Bruno's Father

Jasmin Tabatabai

Yogini

Tom Schilling

Michael (young)

Thomas Drechsel

Bruno (young)

Nina Kronjäger

Katja

Hermann Beyer

Annabelle's Father

Ulrike Kriener

Annabelle's Mother

Jennifer Ulrich

Johanna

Michael Gwisdek

Professor Fleisser