Harry Potter behind the scenes trick to transform Nick Frost into Hagrid is revealed as TV show films in London

Published on August 18, 2025 at 10:59 AM
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HARRY Potter bosses have used a very clever trick to transform actor Nick Frost into Hagrid for the new TV series.

Scenes were shot yesterday as London ‘s Borough High Street was taken over by film crews and turned into magical Diagon Alley.

Nick Frost as Hagrid and Dominic McLaughlin as Harry Potter filming on Borough High Street.
Harry Potter bosses have used a clever trick to transform actor Nick Frost into Hagrid
Nick Frost as Hagrid and Dominic McLaughlin as Harry Potter filming on Borough High Street.
A body double with an animatronic head has been used to film scenes for HBO series
Nick Frost as Hagrid on the set of the HBO Harry Potter reboot.
The body double is transformed into Hagrid with the help from the special effects department
Filming of Harry Potter reboot on Borough High Street.
Nick Frost (pictured) can also be seen in Hagrid’s costume during filming
Robbie Coltrane as Hagrid in Harry Potter.
Robbie Coltrane played Rubeus Hagrid in the Harry Potter franchise

New photos show a very tall body double walking around in a lifelike Hagrid animatronic head.

In the Harry Potter franchise, Rubeus Hagrid, played by Robbie Coltrane, was often depicted using various techniques, including a body double and an animatronic head.

Former rugby player Martin Bayfield served as a body double, often wearing a fat suit and prosthetics, while the animatronic head were specially crafted to resemble Coltrane’s face.

And bosses have implemented the same technique for the new HBO series.

Pictures from filming show the body double wearing Hagrid’s long moleskin overcoat, a green striped shirt, a large belt and old boots.

The books say that Hagrid is 11’6″ (3.5 meters) tall, making him a “half-giant”, whereas Nick Frost is only 1.7m in real life.

Another snap shows Nick, who is normal sized, dressed in Hagrid’s outfit with a thick and bushy wig hiding most of his face.

Nick can be seen standing in the middle of the road next to a black taxi during filming, which puts into perspective the height of Nick compared to his body double.

The pictures also show rising star  Dominic McLaughlin , who plays Harry, filming scenes alongside Hagrid.

Earlier this month, The Sun revealed that  Network Rail  staff have been approached to appear as extras when the HBO show starts filming scenes featuring the  Hogwarts Express locomotive .

A source said: “The magic of Harry Potter is alive in London and bosses want to help people’s dreams come true. They’ve called out for Network Rail staff to appear as extras in scenes which will be filmed at a station later this month.

“It’s been really successful and they have had loads of interest from people who work as conductors and controllers who are keen to get their faces on screen.

“This telly series is a surefire mega-hit so it’s not surprising their call-out has proved massively popular.

“Bosses at HBO know there’s nothing better than having real people in on the action as it will all look totally natural.”

Show makers  HBO  previously confirmed they will use an old steam train that was rescued from a scrap heap in  Barry Island in Wales  as the magical locomotive.

The train is currently green, but bosses are staying tight-lipped about whether they will repaint it to match the locomotive seen in the hit Noughties films, which are based on  JK Rowling’s  best-selling books.

The first series is expected to run for eight episodes and has been scripted from the first book,  Harry Potter and The Philosopher’s Stone .

Rising star

JK’s debut novel was originally released in 1997, while the blockbuster film came out four years later in 2001.

The films turned  Daniel RadcliffeEmma Watson  and  Rupert Grint  into household names thanks to their portrayals of young wizard Harry and his pals Ron Weasley and Hermione Granger.

This time around Dominic McLaughlin  will play Harry, Alastair Stout is taking on Ron and Arabella Stanton is in place as Hermione.

Rubeus Hagrid from Harry Potter and the Prisoner of Azkaban.
Hagrid was often depicted using various techniques – including a body double
Nick Frost at the Timestalker UK Gala Screening.
Nick Frost takes on the new role as Hagrid for the TV adaption
Photo of Nick Frost as Hagrid and Dominic McLaughlin as Harry Potter filming a scene for the HBO Harry Potter reboot.
The body double was seen filming alongside rising star Dominic McLaughlin
Filming of the HBO Harry Potter reboot in London.
Cast and crew took over Borough High Street yesterday to shoot scenes

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