What qualifications do you need to become a music video director?

Music videos are actually filmed, therefore what you would need is a degree in film. This is not always the case, but in general you are better off with a degree. There is no actual separation between a music video director or any other one. Either way, it takes years of experience after school to achieve a director's status. Just keep in mind that the 'entertainment' industry encompasses many opportunies in both film and television