Among the many tributes on deceased Harry Potter stars were reflections on Alan Rickman, Richard Harris, Richard Griffiths, and John Hurt.

There are many tributes to Harry Potter stars who died over the years in HBO Max's Return to Hogwarts reunion special, but none packs more of an emotional wallop than Tom Felton talking about his on-screen mother, Helen McCrory.

McCrory, who played Draco Malfoy's mom Narcissa, died in April at the age of 52 after a battle with cancer. Felton, being interviewed solo for this moment in the special, manages to say one thing before tearing up at the thought of her passing.

"She taught me a lot. See? I can't even say it," Felton, now 34 years old, begins. Taking a moment, he continues, "She had this ability, yeah, just to sort of show such empathy in her eyes. It was a real treat to work with her."

Helen McCrory, Tom Felton
Helen McCrory and Tom Felton in 'Harry Potter and the Deathly Hallows — Part 2'
| Credit: Warner Bros./Courtesy Everett Collection

Jason Isaacs, 58, who played McCrory's on-screen husband, Lucius Malfoy, separately reminisces about the good times working with her on set.

"I said, 'I think I've just met the best actress I've ever seen in my life,'" he recalls. "I feel lucky to have worked with her and just shared just so much frankly adolescent laughter with on the set."

Harry Potter 20th Anniversary: Return to Hogwarts also pays tribute to late costars Richard Harris, who played the original Albus Dumbledore in Sorcerer's Stone and Chamber of Secrets; Richard Griffiths, who played Vernon Dursley; John Hurt, who played Garrick Ollivander; and Alan Rickman, who played Severus Snape.

"Alan Rickman never talked to me like I was a child. He always took my thoughts and opinions very seriously, which I was always very touched by," Emma Watson (Hermione Granger) says.

Harry Potter 20th Anniversary: Return To Hogwarts
Tom Felton in 'Harry Potter 20th Anniversary: Return to Hogwarts'
| Credit: Nick Wall

Ralph Fiennes, a.k.a. Lord Voldemort, looked back on their final scene together in Harry Potter and the Deathly Hallows, Part 2.

"I was a little intimidated by his precision, his expert delivery of lines," he remembers. "We went toe-to-toe in a funny way. Snape and Voldemort. Two actors can relish metaphorically fencing with each other. Alan was a magician in that way as an actor."

Return to Hogwarts is currently streaming on HBO Max.

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Harry Potter 20th Anniversary Reunion
Harry Potter 20th Anniversary: Return to Hogwarts (TV special)

The cast and crew of the 'Harry Potter' movies reunite 20 years after the first film to look back on the making of a blockbuster franchise.

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