The sweet note Daniel Radcliffe sent his young successor in new Harry Potter adaptation  The IndependentDaniel Radcliffe Reveals He Sent New Harry Potter Actor Dominic McLaughlin a Sweet Letter — Here’s What He Wrote  People.comDaniel Radcliffe On The Letter He Wrote HBO’s ‘Harry Potter’ Actor, Dominic McLaughlin: “I Just Want To Hug Them”  DeadlineDaniel Radcliffe Wrote a Letter to New ‘Harry Potter’ Actor and Got ‘Sent a Very Sweet Note Back’: ‘I Just Want to Hug’ HBO’s New Cast  VarietyDaniel Radcliffe played Harry Potter across eight films, and as the book series is rebooted as an HBO series, the actor reached out to the young actor taking on the lead role. Read more below.  facebook.com