3. Timothée Chalamet as Regulus Arcturus Black

This character was not shown in the movies but holds great importance as he was the first one to figure out Voldemort's secret. Regulus Black was actually Sirius' younger brother and unlike the elder one, he was interested in dark arts and joined Voldemort right after school only to get dragged underwater by inferis. We need an actor who is younger since the story will mostly be focusing on a Hogwarts pass out and Timothée Chalamet will be a great match with his jet black hair and intense gaze.
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Edited by Priscillah Mueni