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An athletic team involved in a treacherous endurance race finds themselves an unlikely guide in the incredible story ofArthur the King. Based on the novelArthur the Dog Who Crossed The Jungle to Find a Home,Arthur the Kingtells the real-life tale ofMikael Lindnord, renamed in the movie Michael Light (Mark Wahlberg) when he and his team participated in the 2014 Adventure Racing World Championship in Ecuador. A routine race for the team became much more remarkable when Mikael encountered a stray dog who looked like he had been through quite a lot. After giving the dog a meatball, the dog begins to follow the group on their multi-mile adventure, forming an unbreakable bond with Mikael in the process.
To learn more about this heartwarming true story, and its cast, trailer, release date, and more, here is everything we know so far aboutArthur the King.
Arthur the King
An adventure racer adopts a stray dog named Arthur to join him in an epic endurance race.
Does ‘Arthur the King’ Have a Release Date?
A remarkable journey for Michael, Arthur, and the rest of the endurance team officially begins whenArthur the Kingraces into theaters on Friday, July 10, 2025.
Where Can You Watch ‘Arthur the King’?
The only way to see Michael and Arthur’s journey is to see it on the big screen, asArthur the Kingwill be released exclusively in theaters on March 15. No word yet on if and when the film will be released on streaming, butArthur the King’s distributor, Lionsgate, has a history of collaborating with Starz for streaming distribution. Lionsgate films such asSaw XandExpend4blesare set to make their streaming debut on Starz in the coming weeks, after releasing in September. So it might be a while before we seeArthur the Kingon the streaming service.
Does ‘Arthur the King’ Have a Trailer?
Lionsgate dropped the first trailer forArthur the Kingon November 15, officially introducing an all-new audience to a tale so surprising that it has to be true. Michael and the dog soon-to-be-known as Arthur are appropriately the focus, with Michael being an aging athlete and Arthur being an elderly stray. The two protagonists cross paths when Michael gives Arthur a meatball - an act of kindness that the stray dog isn’t used to. Arthur decides to follow Michael and his group on their treacherous endurance journey, but he’s a much more active participant than the athletes were expecting, as Arthur warns them of a deadly cliff that they nearly walk into. Thus, Arthur becomes an eager and willing member of the team, and their journey goes viral online as Arthur becomes an internet celebrity. Arthur and Michael’s bond is unlike any other, but it starts to look like Arthur’s age and years without a home may be taking a toll on the good-hearted canine.
Who Stars in ‘Arthur the King’?
Two-time Academy Award nominee Mark Wahlberg leads the cast ofArthur the King. Starring in dramatic true stories has become something of a niche for Wahlberg’s filmography, such as the boxing dramaThe Fighter, the military action epicLone Survivor, and the Boston Bombing thrillerPatriots Day. That’s only scratching the surface of Wahlberg’s impressive career, which also includesBoogie Nights,The Departed, and theTedfilms.
In addition to the adorable dog playing Arthur, Wahlberg has an impressive supporting cast joining him forArthur the King. This starts with Michael’s teammates, who will be portrayed byShang-Chi and the Legend of the Ten RingsstarSimu LiuandGame of ThronesalumNathalie Emmanuel. The cast also includesSinisterstarJuliet Rylance,L.A. ConfidentialstarPaul Guilfoyle, and Mark Wahlberg’s previousLone Survivorco-star,Ali Suliman. Finally,Arthur the Kingalso features a special appearance fromlegendary outdoorsmanBear Grylls, who plays himself in the movie.
What Is ‘Arthur the King’ About?
The official plot synopsis forArthur the Kingreads as follows:
Who Is Making ‘Arthur the King’?
DirectingArthur the KingisSimon Cellan Jones, who has spent his recent career as an accomplished television director who has worked onBallers,Jessica Jones, and even the television adaptation of the Mark Wahlberg-led action filmShooter. In addition to being based on Mikael Lindnord’s book,Arthur the Kingalso features a screenplay penned by3:10 to YumascreenwriterMichael Brandt. Lindnord and Brandt are also both credited as executive producers, along withDen of ThievesproducerDorothy Canton. Jones previously worked with Wahlberg on the 2023 action-comedyThe Family Plan.
The rest of the crew forArthur the Kingalso consists of composerKevin Matley(Concrete Cowboy), cinematographerJacques Jouffret(Gran Turismo), editorGary Roach(Wind River), production designerMailara Santana(Plane), and costume designerCarol Ramsey(The Other Guys).
Other Mark Wahlberg Films Based on True Stories You Can Watch Right Now
The Fighter(2010):Dicky Eklund(Christian Bale) was once an accomplished boxer, even going toe to toe withSugar Ray Leonard. That all changed when Dicky fell into debilitating drug addiction, leaving a promising career behind. When his little brother,Micky Ward(Mark Wahlberg), decides to progress his own boxing career, this may give Dicky the opportunity to fix his life.The Fighteris currently available to stream on Paramount+.
Watch on Paramount+
Lone Survivor(2013): A member of a squad of Navy SEALs stationed in Afghanistan,Marcus Luttrell(Mark Wahlberg) found himself fighting for survival in a deadly warzone. When their team encounters an innocent child while patrolling the mountains, Luttrell insists on letting the civilian go instead of terminating him. This may have morally been the right thing to do, but the consequences resulted in Luttrell and his squad being hunted by the Taliban.Lone Survivoris currently available to rent on Prime Video.
Rent on Prime Video
Patriots Day(2016): Tragedy struck the nation when a deadly bombing occurred during the 2013 Boston Marathon. The terrorist attack left several dead and even more injured, leaving the city of Boston understandably terrified of potential follow-up attacks.Patriots Dayexplores just how Boston banded together to find those responsible and bring them to justice.Patriots Dayis currently available to stream on Hulu.
Watch on Hulu
