Born in Surrey, Felton began appearing in commercials and made his screen debut in the role of Peagreen Clock in The Borrowers (1997).

Felton starred as Viscount Trencavel in the historical miniseries Labyrinth (2012) and as James Ashford in the period drama Belle (2013), which released to critical acclaim.

"[19][20] He reprised his role the following year in Harry Potter and the Chamber of Secrets (2002), which saw Felton winning a Disney Channel's Kids Award.

[25] Felton made a guest appearance on Home Farm Twins in 2005, where he played Adam Baker in the short-lived series.

[26] On 11 November 2005, he and Rupert Grint presented Liz Carnell with the Daily Mirror's Pride of Britain Award for her work in bullying awareness.

"[30]In July 2007, Felton visited Children's Hospital in Denver, Colorado, in a pre-screening, charitable event of Harry Potter and the Order of the Phoenix.

[31] On 18 March 2011, Felton appeared in a comedy sketch on Red Nose Day 2011 alongside James Corden, Rupert Grint, George Michael, Justin Bieber, Paul McCartney, Ringo Starr, Keira Knightley, Professor Robert Winston, and former UK Prime Minister Gordon Brown.

[32] On 12 November 2008, Felton appeared alongside Jack Osbourne on Adrenaline Junkie as he participated in various challenges in South Africa, including a 200 ft bungee jump on Bloukrans Bridge, took a ride in a helicopter, followed by a parachute freefall and came face-to-face with great white sharks.

[33] Harry Potter and the Half-Blood Prince was released in July of that year as a major commercial success; The Hollywood Reporter described Felton's role as "perennially glowering" while the plot of the film "weighs on him, causing his smug veneer to all but melt away.

[40][41] Screen Rant stated that Felton "brought the complex, layered" character to the films, calling Malfoy the series' "true cult hero".

[44]In 2012, Felton appeared in the supernatural horror film The Apparition alongside an ensemble cast and indie drama From the Rough opposite Taraji P. Henson.

Felton portrayed James Ashford, an arrogant member of nobility, in Belle (2013), which was released at the Toronto International Film Festival to critical praise.

The film received mixed reviews; Roger Ebert referred to his performance as "suitably foppish and dopey" for the role.

[61] The series opened to mixed reviews; The Hollywood Reporter stated that Felton portrayed "explosive whiner ... unrecognizable from his days as bad boi fa lyfe Malfoy.

[65][66] He played a British soldier in the Dutch World War II film The Forgotten Battle, which had a red carpet premiere in 2020 followed by a Netflix release in 2021.

[68] In October, it was announced that Felton will star in Canyon Del Muerto, a biopic about archaeologist Ann Axtell Morris.

[69] Two months later, Felton was confirmed in Lead Heads alongside Rupert Everett, Derek Jacobi, Luke Newberry and Mark Williams.

[72] In early 2022, Felton attended the Harry Potter 20th Anniversary: Return to Hogwarts film as himself, alongside other cast members including Daniel Radcliffe, Emma Watson, and Rupert Grint.

[75][76] In October 2022, Felton published a memoir, Beyond the Wand: The Magic and Mayhem of Growing Up a Wizard, which covers his acting career within the Harry Potter franchise.

[81] Felton is set to appear as Josiah Oldfield in the upcoming Indian television series Gandhi, directed by Hansal Mehta.

Gordon played Felton's character's wife, Astoria Greengrass, in Harry Potter and the Deathly Hallows – Part 2.

[88] Felton fell ill while participating in a celebrity golf exhibition on 23 September 2021 as part of the 2021 Ryder Cup festivities near Sheboygan, Wisconsin.