Suggestions by @annaminor

Rufus Sewell

as Lord Voldemort in Harry Potter (HBO Max Series)

James Purefoy

as Lord Voldemort in Harry Potter (HBO Max Series)

Jim Dale

as The Sorting Hat in Harry Potter (HBO Max Series)

Aidan Turner

as Sirius Black in HBO Max's Harry Potter

Jack Bardoe

as Remus Lupin in HBO Max's Harry Potter

Bradley James

as Gilderoy Lockhart in HBO Max's Harry Potter

Colin Morgan

as Barty Crouch Jr. in HBO Max's Harry Potter

Sarah Parish

as Sybill Trelawney in HBO Max's Harry Potter

Warwick Davis

as Filius Flitwick in HBO Max's Harry Potter

Colin Morgan

as Barty Crouch Jr. in Harry Potter (HBO Max Series)

Lucy Punch

as Rita Skeeter in Harry Potter (HBO Max Series)

Bradley James

as Gilderoy Lockhart in Harry Potter (HBO Max Series)

Stephen Merchant

as Arthur Weasley in Harry Potter (HBO Max Series)

John Hannah

as Argus Filch in Harry Potter (HBO Max Series)

John Hannah

as Argus filch in HBO Max's Harry Potter

Stephen Merchant

as Arthur Weasly in HBO Max's Harry Potter

Lucy Punch

as Rita Skitter in HBO Max's Harry Potter

Katie McGrath

as Bellatrix Lestrange in HBO Max's Harry Potter

Matthew Lewis

as Frank Longbottom in HBO Max's Harry Potter

Michael Sheen

as Cornelius Fudge in HBO Max's Harry Potter