as Klaus
as Professor James Bower (voice) (uncredited)
as Herbert Kraft
as Man (voice) (uncredited)
as Eduard
as Rosenkranz
as Jochen
as Hugo
as Siemsen
as Der schöne Prinz / Bär
as Kemskorn
as Sam Hawkins (voice)
as Fenton
as Freddy
as Rob Leuwen
as Martin Durell
as Bernd Wedemeier
as Werner Holthusen
as Familienrichter Klissmann
as Hessler
as Kurt
as Maximilian Jensen
as Tom
as Schlüter
as Kriminalobermeister Schlüter
as Capitaine Rochelle
as Graf von Hohenbrück
as Herr Fischer
as Mike Rander
as Sergeant Jeffreys
as Erzähler
