Gert Günther Hoffmann

as Hummel

as Inspektor (20 episodes)

as Herr Thomsen (1 episode)

as Rolf Lehmitz (13 episodes)

as Chef

as Paul Bommer (1 episode)

as Obersturmbannführer Eicher (13 episodes)

as Dr. Hans Leonhard (1 episode)

as Wilutzki

as Kollack (1 episode)

as Kommissar Wobeck (1 episode)

as Narrator

as Staatsanwalt (1 episode)

as Staatsanwalt (1 episode)

as Kriminalhauptmeister Arnold Matofski (23 episodes)

as Basler

as Kommissar Willi Böttcher/ Hans Böttcher

as Dr. Engel (1 episode)

as Narrator (voice) (uncredited)

as Mr. Radeck (voice) (uncredited)

as Leppich (1 episode)