The opera diva Bianca Castafiore spends a few days with Tintin and his friends at Marlinspike Hall, where a mysterious theft is perpetrated.
Thierry Wermuth
as Tintin (voice)
Christian Pelissier
as Le capitaine Haddock (voice)
Henri Labussière
as Le professeur Tournesol (voice)
Michel Ruhl
as Nestor (voice)
Marie Vincent
as Bianca Castafiore (voice)
Yves Barsacq
as Dupont (voice)
Jean-Pierre Moulin
as Dupond (voice)
Susan Roman
as Milou (voice)
