as Richter Bienenwachs (Voice)

as Dr. Hans Bress

as Conrad Schmidt

as Oberleutnant Fritsche

as Hansi

as Don Pedro de Ursúa (voice) (uncredited)

as Alfred Chaumartin

as Graf Holk

as Angelo

as Angelo Baldovino

as Wilhelm Krey

as Morris Townsend

as Robby

as Werner Kühlemann