Christian Kuchenbuch

as Felix März

as Beethoven

as Frank (6 episodes)

as Kriminalhauptkommissar Goldhof (6 episodes)

as Vernehmer

as Dr. Hofmann

as Dr. Eberhardt

as Caparos

as Jörn Sievers

as Martin Ludwig (3 episodes)

as Heckner

as Dr. Kleemann (1 episode)

as Werner Scheer (1 episode)

as Philipp Schwintowski

as Ulrich Guthmann (1 episode)

as Diakon Junkers (1 episode)

as Regina's Doctor (1 episode)

as Kommissar Ruland (6 episodes)

as Kommissar André Block

as Andreas Ganter

as Olaf Bargmann (3 episodes)

as Ole

as Jochen Siebert (1 episode)