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