Johann

Old Unknown (6 episodes)

Paul Käutner (1 episode)

Blinder

Lothar Bartels (1 episode)

Herbert Rothmann (1 episode)

Manfred Rosenbaum (1 episode)

Lorenz Paulsen (1 episode)

Hans-Christian

Sönke Kilian (1 episode)

Bernhard Seidel - Julian's father

Robert Bruckner (3 episodes)

Salvatore Buco (1 episode)

Kriminaldirektor (1 episode)

Scafaro

Scafaro (2 episodes)

Ludwig Renner (1 episode)

Prof. Bovsky

Dahl (1 episode)

Armin Tessow (1 episode)

Clemens Miedorf (1 episode)

von Bütow

Rondorf (1 episode)

George Bantzer (1 episode)

Erlanger

Karl Silbermann (1 episode)

Wilfrid Schneider (1 episode)

Prof. Heinz Kamroth (1 episode)

Die Alten

Pater Roland

Hannes Krueger