Matthew Lewis [...] has a well-judged, impenetrable insouciance
The Guardian on Unfaithful
The surprise scene-stealer here is Harry Potter-alum Matthew Lewis (little Neville Longbottom) who plays Louisa’s personal trainer boyfriend and the perfect parody of an exercise-obsessed narcissistic millennial.
TimeOut on Me Before You
When stout-hearted young Neville Longbottom (a scene-stealer from Matthew Lewis) steps forward to denounce the dark lord in the final courtyard scene, I was on the edge of my seat.
The Guardian on Harry Potter and the Deathly Hallows: Part II