November 7, 2016 10:27 AM EST

The cast of the Harry Potter films are responsible for bringing the characters from J.K. Rowling’s beloved novels to life on screen. But for Matthew Lewis — who played Neville Longbottom in the franchise — acting in the series apparently made it more difficult to enjoy — that is, until he saw the Cursed Child play.

The 27-year-old actor took to Instagram Saturday to share a photo of himself with several of the stars of the two-part West End production, expressing his gratitude to them for helping to renew his love for the wizarding world.

Write to Megan McCluskey at megan.mccluskey@time.com.

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