Thomas Schmuckert

as Dr. Holbe

as Opa (voice)

as Dr. Hunfeld (1 episode)

as Professor

as Lederkalle

as Paul Sievert (1 episode)

as Johannes

as Gutachter (2 episodes)

as Dr. Heiko Bodde (1 episode)

as Hannes Klein (1 episode)

as Theo Ortlieb (1 episode)

as Paul Kalinder (1 episode)

as Charly Schrader (1 episode)

as Walter Happ (1 episode)

as Bernhard Seibel (1 episode)

as Heiner Erler (1 episode)

as Piraten-Anführer, as Snout

as Matthias Berger (1 episode)

as Leiter der Selbsthilfegruppe

as Achim Kessler (1 episode)

as Jobst Henner (1 episode)

as Jens Holm (1 episode)

as Sören (1 episode)