Thomas Wenke

as Walter Bumgarten

as Berthold Brüggemann (1 episode)

as Narrator (dutch voice over)

as Bertram (voice) (45 episodes)

as Konrad Riedel

as Arnold Küstenmacher (5 episodes)

as Narrator (2 episodes)

as Roland Belling (1 episode)

as Frank Wieser (1 episode)

as Pförtner

as Alois Krantz (1 episode), as Stefan Mühleisen (1 episode)

as Martin Schulz (1 episode), as Sigmar Gabriel (1 episode)