The Return of the Musketeers is a 1989 film adaptation loosely based on the novel Twenty Years After (1845) by Alexandre Dumas.

Jean-Pierre Cassel, who played Louis XIII in the original films, has a cameo appearance as Cyrano de Bergerac.

While filming in September 1988, character actor Roy Kinnear died following an on-camera accident in which he fell off a horse.

His role was completed by using a body double, filmed from the rear, and dubbed-in lines from a voice artist.

Milady de Winter's daughter, Justine, captures and questions the executioner that the musketeers hired to kill her mother.

After a swordfight, when he discovers who she really is and her plan, Raoul leaves and tells d'Artagnan, Porthos, and Athos that Justine wants to kill them.

Comte de Rochefort is unable to prevent Beaufort from escaping from his prison, and he is subsequently arrested by Mazarin.

King Charles I of England is to be executed, so Queen Anne of Austria sends d'Artagnan, Athos, Porthos, and Raoul to rescue him.

The Spanish crew misunderstood the instructions of director Lester when it came to putting sand on the cobblestone street before filming in the belief that it would create more grip.

He was treated at the Ruber Internacional Hospital in Madrid and on 20 September was transferred to a nearby clinic but died soon after from a heart attack brought on by his injuries.

[6] Following a six-year legal battle Kinnear's widow was awarded £650,000 in damages from the production company, Falconfilms—consisting of producer Pierre Spengler and director Richard Lester.

[8] Completed in 1988, The Return of the Musketeers was released for cinemas in the European market in April 1989, and while it was given positive reviews by critics, it was not well received at the box office.