The singer-songwriter Joan Manuel Serrat plays the role of a young fisherman named Joan from Ibiza (Eivissa) who falls hopelessly in love about a beautiful English tourist and it leaves everything to follow her to London, where he is introduced to the hippie world.
| Actor | Role |
|---|---|
| JJoan Manuel SerratJoan | Joan |
| LLinda ColeMabel | Mabel |
 Emma CohenMaría | María |
| DDanny RossNot listed | Not listed |
| JJuan Antonio ArévaloNot listed | Not listed |
 Vicenç Manel DomènechPadre de Joan | Padre de Joan |
| RRafael VaqueroNot listed | Not listed |
| CConcha BardemNot listed | Not listed |
 José Manuel MartínHombre de la pistola | Hombre de la pistola |
 María SaavedraNot listed | Not listed |
 Mario GasBartender (uncredited) | Bartender (uncredited) |