Werner Bruhns

as Henner

as Ottavio Berlinghieri

as Preston Drake

as Professor Falk

as Vance

as Hoffmann

as Stefan Prager

(1 episode) as Herr Habinger

(1 episode) as Mario Tirelli

as Eberhard Morrisey

as Lee Warren

as John Middleton

as Hauptkommissar Bossum

(3 episodes) as Minotti

(1 episode) as Mezger

(1 episode) as Harald Oppermann

(1 episode) as Horst Lippens

(1 episode) as Pallmert

as Jocelyn Pentecost

(1 episode) as Höfer

(1 episode) as Richard Kapp

as Frédéric de Rubeck

as Kommissar

as Gerard Lemaire

as Igor Guzenko

as Dr. Carl Hau

(1 episode) as Robert Wernicke

as Günther Wirsing

as Riabowski

as Dieter Vorbauer

as Walter von Arnegg

(1 episode) as Wilm Flaaten

(1 episode) as Kriminaloberinspektor Stollberg

(1 episode) as Lars

as Frank Bonaparte

as Fred Collins

as Petar

as Bob Selder

as Lt. Stephen Maryk

as Jack Wheeler

(1 episode) as Herr Teichert

as Werner Heydenreich