With a new golden trio cast for HBO’s upcomingHarry Potterseries, and some stars of the adult cast already known, there’s no better time to take a look at their previous work. By watchingfilms and TV shows featuring the newHarry Pottercast, fans can get a better idea of what to expect, and when they see the cast’s talent, their anticipation for the reboot will hopefully rise.

6Janet McTeer In The Menu

Janet McTeer Will Be Playing Professor McGonnagal

The Menuis a fantastic film, whichHarry Potterfans should watch regardless, thanks to Ralph Fiennes' terrifying role as a chef, which is somehow more haunting than his portrayal of Lord Voldemort. However, with Janet McTeer also appearing in the film and having been subsequently cast as Minerva McGonagall, fans now have another reason to check it out.

In the film, she plays a food critic in a fairly comedic role, which shows promise for those rare but magical McGonagall moments where she lets her stern facade down. For more in-depth looks at Janet McTeer’s work, fans could try watchingTV shows such asOzark,Sorry for Your Loss, andMobLand​​​​​​. These examples will prove to fans that she can easily pull off Professor McGonagall’s intimidating side.

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5Paapa Essiedu In Gangs Of London

Paapa Essiedu Will Be Playing Severus Snape

Paapa Essiedu will be taking on the tough role of Severus Snape, and for those looking to get a glimpse of what to expect from the rising star, there are thankfully plenty of options to watch. While Paapa starred in theLazarus Project, some of his best work outside of theater was arguably his highly dramatic role inGangs of London.

His incredibly tense scenes in the show, sometimes when complicated love is involved, should get fans excited for the later seasons of HBO’sHarry Potter, whenSnape’s tragic pastand present come to the fore. For a completely different look at Paapa Essiedu, fans could also check out theDemon 79episode of hit showBlack Mirror, where he plays a demon in training.

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4Dominic McLaughlin & Nick Frost In Grow

They Will Be Playing Harry Potter & Rubeus Hagrid, Respectively

While the upcoming Hagrid actor Nick Frost may not need any introduction, having starred in popular films such asHot FuzzandShaun of the Dead​​​​​, fans will be eager to see the work of the newly cast Harry Potter himself, Dominic McLaughlin. Thankfully, there is a family comedy film calledGrowcoming out featuring both of these actors.

Funnily enough, this upcoming Sky Original film is about growing pumpkins,something Hagrid is known for. While the extent of Dominic McLaughlin’s role in it is currently unknown, fans will also have another opportunity to witness his acting talent inGifted, an action-adventure series for kids set in modern-day Edinburgh. Interestingly, this series will be about young Scottish teenagers who have superpowers not that dissimilar to those of wizards and witches inHarry Potter​​​​.

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3Paul Whitehouse In The Fast Show

Paul Whitehouse Will Be Playing Argus Filch

Interestingly, Paul Whitehouse’s new role asHogwarts caretaker, Argus Filch, will not be his first in theHarry Potterfranchise. He was cast as the portrait of Sir Cadogan inThe Prisoner of Azkabanfilm, and can be seen in a deleted scene.

Outside of this brief appearance in the wizarding world, fans will best be able to get a sense of Paul Whitehouse’s incredible range and comedic genius by watching clips ofThe Fast Show, a sketch show from the 90s where Paul played many weird and wonderful characters.

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2John Lithgow In The Crown

John Lithgow Will Be Playing Albus Dumbledore

If fans have any concerns about theAmerican actor John Lithgowbeing able to pull off a British accent for his role as Albus Dumbledore, they should watchThe Crown​​​​, a fantastic show in its own right. Alongside a star-studded cast includingBellatrix Lestrangeactress Helena Bonham Carter, John Lithgow delivered an all-time great performance as Prime Minister Winston Churchill in his post-war years.

While John Lithgow has featured in many other great films and shows over a long career, including some favorites such as Shrek and Dexter, one of his latest roles inConclaveis another great watch forHarry Potterfans. Not only does Lithgow play a character similar inage and demeanor to Dumbledore, but the star of the film is also none other than Voldemort actor Ralph Fiennes.

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1Nick Frost In Sick Note

Nick Frost Will Be Playing Rubeus Hagrid

Nick Frost is arguably one of the most well-known confirmed cast members for the newHarry Potterseries, and while fans may have already watched his more famous films,such asHot Fuzz, they might not yet know they can watch him alongside the former Ron Weasley actor, Rupert Grint.

Sick Noteis a comedy series where Nick Frost and Rupert Grint’s characters form an unlikely and completely incapable duo, navigating a fake cancer diagnosis. After the announcement that Nick Frost will be playing Hagrid, it feels particularly funny to watch him interact with an actor who will always be synonymous with Ron Weasley.

Sick Note Rupert Grint & Nick Frost

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