Daniel Brühl
Alex
Katrin Sass
Mother
Chulpan Khamatova
Lara
Maria Simon
Ariane
Florian Lukas
Denis
Alexander Beyer
Rainer
Burghart Klaußner
Alex's Father
Michael Gwisdek
Klapprath
Christine Schorn
Ms. Schäfer
Jürgen Holtz
Mr. Ganske
Jochen Stern
Mr. Mehlert
Stefan Walz
"Sigmund Jähn"
Eberhard Kirchberg
Dr. Wagner
Hans-Uwe Bauer
Dr. Mewes
