Drago / Ronson (13 episodes)

Zoodirektor Prof. Georg Baumgart (110 episodes)

Dr. Junghans

Peer Sievert (1 episode)

Maximilian Stich (1 episode)

Kurt Mühlhans (1 episode)

Gastgeber (78 episodes)

Dr. Thomas Straub (1 episode)

Udo Bannasch (1 episode)

Prof. Mannhardt (1 episode)

Hans Dieter M.

Dr. Lechner (1 episode)

Krause

Dr. Radke

Kommissar Schiller

Prof. Kugler

Self (1 episode)

Prof. Landmann

Kriminalinspektor Günther Zorn (31 episodes)

Kommissar Gerber (1 episode)

Staatsanwalt (1 episode)

Kommissar Öchsner (1 episode)

(1 episode)

Inspector Winterfeld

Hannes (1 episode)

Dr.Dunker (1 episode)

Dr.Ingholm (1 episode)

Kiewer

Erwin Müller

Professor

Bauer

Mathias Birnbaum (7 episodes)

Werner Belling

Joachim Ott

Martin Tanner (7 episodes)

Lutz Trampe (1 episode)

Wolfgang Lademann (1 episode)

Heinz Baruth (1 episode)

Dr. Friedhelm Kunze (1 episode)

Dr.Breit (1 episode)

Gottschalk (1 episode)

Heiner Kern (1 episode)

Prof. Bernhard Walther (1 episode)

Steinberg (1 episode)

Hubert Göpfert (1 episode)

Günter Perlbach (1 episode)

Günter Hanspach (3 episodes)

Frank Schattmann

Magaziner (4 episodes)

Boris Bykow (3 episodes)

Unterleutnant Arnold

Pit Wendel (3 episodes)

Leutnant Boris Bykow (2 episodes)

Leutnant Boris Bykow (3 episodes)

Kosinsky

Leutnant Boris Sapilin Funker (3 episodes)

Jürgen

Egon Brümmer