Jürgen Prochnow as Martin Kurath

Ernst Hannawald as Thomas Manzoni

Werner Schwuchow as Erzieher Diethelm

Hans-Michael Rehberg as Anstaltsleiter Rusterholz

Hans Putz, jr. as Enrico

Elisabeth Fricker as Babette

Walo Lüönd as Giorgio Manzoni

Edith Volkmann as Frau Manzoni

Erwin Kohlund as Direktor Reichmuth

Alexis von Hagemeister as Clemens Krauthagen

Jan Groth as Hehler Oskar

Gerold Noelli as -

Hans Irle as Häftling Joseph Bloch

Erwin Parker as Häftling Kunz

Alexander Ziegler as Häftling Lemmi

Wolf Gaudlitz as Schlumberger

Thomas Haerin as Benny

Franz Kollasch as -

Carsten Naumann as -

Franz Stiefel as -