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