Thomas Schmuckert

as Opa (voice)

as Dr. Hunfeld

as Professor

as Lederkalle

as Paul Sievert

as Johannes

as Gutachter

as Dr. Heiko Bodde

as Hannes Klein

as Theo Ortlieb

as Paul Kalinder

as Charly Schrader

as Walter Happ

as Bernhard Seibel

as Heiner Erler

as Matthias Berger

as Leiter der Selbsthilfegruppe

as Achim Kessler

as Jobst Henner

as Jens Holm

as Sören

as Dirk Schüler

as Dr. Brock

as René Böhmer

as Leopold Fang

as Kommissar

as Berthold

as Einsatzleiter Polizei

as Martin Eberwald

as Dr. Holbe