as Sam Hawkins (voice)
as Graf von Hohenbrück(1 ep)
as Erzähler(13 eps)
as Professor Meyer
as Werner Schnabel(1 ep)
as Werner Holthusen(1 ep)
as Maximilian Jensen(1 ep)
as Verleger Wolfgang Kühne
as Self
as Klissmann(2 eps)
as Bernd Wedemeier(1 ep)
as Kurt(1 ep)
as Erich Damm(1 ep)
as Henry
as Fred Liebig(13 eps)
as Manfred
as Dr. Brinkmann(13 eps)
as Werner Kolbe(1 ep)
as Mike Rander(26 eps)
as Self - Candidate(1 ep)
as Schlüter(52 eps)
as Herr Fischer(1 ep)
as Rob Leuwen(1 ep)
as Martin Durell(1 ep)
as Capitaine Rochelle(2 eps)
as Man (voice) (uncredited)
as Siemsen
as Patrice Bombelles
as Junger Mann(1 ep)
as Dr. Kurt Finke(13 eps)
as Hessler(1 ep)
as Ernest Wooley
as Schlüter(52 eps)
as Professor James Bower (voice) (uncredited)
as Schwiegersohn Tassilo
as Tom(1 ep)
as Alva Newton
as Lord Arthur Dilling
as De la Brive
as David Warren
as Jimmy
as Eric Carrington
as Hektor
as Eduard
as Maler Wandel
as Jochen
as Klaus
as Sergeant Jeffreys(6 eps)
as Rosenkranz
as Reginald Horuby
as Kemskorn
as David Warren
as Sekretär Sempronius
as Friedrich Müller
as Der schöne Prinz / Bär
as Self(4 eps)
as Sohn Robert Gerstner
as Hugo
as Freddy
as Herbert Kraft
as Fenton