- Country: Spain
- Genres: Comedy, Family, Musical
- Release: 1969-08-02
- Director: Luis María Delgado
- Writers: Roberto Carpio
- Language: Spanish | English
- Stars: Miguel Ríos , Margaret B. Peters , Roberto Camardiel , Luchy Soto , Matilde Muñoz Sampedro , Josefina Serratosa , Tota Alba , Mercedes Borqué , Camino Delgado , Porfiria Sanchíz
- Runtime: 83 min
- Awards: N/A
- AKA: Hamelín (Spain) , The Pied Piper of Hamelin (United States of America) , A Happening in Hamelin (United States of America) , Hamelín
- Plot: Franz leaves his family behind in their humble abode in the mountains and goes in search of fortune, equipped only with his inseparable guitar on his back. He stumbles upon Buna, a sorcerer who helps him attain success and notoriety in a town called Hamelin. Franz is hired by the mayor to rid the town of a plague of rats. He leads away the town's rodents, and children, with his music in this rock and roll adaptation of The Pied Piper of Hamelin.
- IMDB:tt0061743
Hamelín Cast · · · ALL
Luis María Delgado
Director
Margaret B. Peters
Gretel
Roberto Camardiel
Burgomaestre
Luchy Soto
Lovaina
Matilde Muñoz Sampedro
Gertrudis
Josefina Serratosa
Tota Alba
Maestra
Mercedes Borqué
Camino Delgado
Porfiria Sanchíz
Goyo Lebrero
Secretario
José Sepúlveda
Martín
Rafael Hernández
Pregonero
Simón Cabido
Sigfredo
Miguel Ligero
Buna