Return of the Jedi's Richard Marquand remembered by son

As preparations start for the latest Star Wars film to be be made in the UK, the Return of the Jedi celebrates its 30th anniversary.

The film was directed by Richard Marquand, from Llanishen in Cardiff, who died aged 49 in 1987.

Peter Johnson spoke to his son, James, about how his father became involved in one of history's most successful franchises.