A musical stage adaptation of Back To The Future will be hit by delays after the director walked out in a bust-up over creative differences.

The sci-fi adventure comedy, starring Michael J. Fox and Christopher Lloyd, was a smash hit movie in 1985, and a musical stage version was scheduled to premiere in London's West End in 2015 to coincide with the film's 30th anniversary.

The production will no longer be ready for next year (15) as the British director Jamie Lloyd has withdrawn from his role following creative disputes with writer Bob Gale, who penned the movie, its sequels and the upcoming musical script.

Workshops for the show were due to be staged but now Gale will rewrite the entire script and send the new version to directors next year (15).

Jamie Lloyd tells Britain's Daily Mail newspaper his departure was "just a case of wanting to stand by my vision... you absolutely have to believe in it or there's not much point."

The musical production is now expected to remain in development until 2016.