A Harry Potter mini-movie is reportedly being secretly filmed.

An eighth instalment of the JK Rowling adaptations is allegedly being specially produced for the Wizarding World of Harry Potter attraction in Florida and the two new Hogwarts theme parks currently under construction.

Helena Bonham Carter will be among the film stars to appear in the project, according to The Sun.

A source claimed: "The cast have really enjoyed getting back together - they are so tight-knit."

The theme park in California will premiere the film in 2014, followed by another in Japan in 2016.

The source added: "The shooting schedule is nowhere near as long as the films, so though filming has been intense, the stars have enjoyed being able to pop in and out."

It has yet to be confirmed which other Harry Potter stars will appear in the short film.

JK Rowling recently sold the home in which she wrote several Harry Potter novels for Â£2.2 million.

Watch the trailer for Harry Potter And The Deathly Hallows - Part 2 below:

This content is created and maintained by a third party, and imported onto this page to help users provide their email addresses. You may be able to find more information about this and similar content at piano.io