Star Knight

The Knight of the Dragon (Spanish: El caballero del dragón), is a 1985 Spanish adventure film directed by Fernando Colomo. It stars Miguel Bosé alongside Klaus Kinski, Harvey Keitel and Fernando Rey

Princess Alba is abducted by a dragon, and it's up to Klever to save her. But, it turns out that this dragon is an alien spacecraft, and Alba falls in love with the human-alien inside it.