Suggestions by @cname
10 suggestions
Emerald Fennell
as Dolores Umbridge in Harry Potter (HBO Max Series)
+3-5Score: -2
Juno Temple
as Narcissa Malfoy in Harry Potter (HBO Max Series)
+5-8Score: -3
Josh O'Connor
as Professor Snape in Harry Potter (HBO Max Series)
+22-37Score: -15
Siobhán McSweeney
as Professor Sprout in Harry Potter (HBO Max Series)
+17-9Score: +8
Ruth Negga
as Bellatrix Lestrange in Harry Potter (HBO Max Series)
+2-7Score: -5
Alison Wright
as Madame Pomfrey in Harry Potter (HBO Max Series)
+4-9Score: -5
Matthew Macfadyen
as Professor Quirrell in Harry Potter (HBO Max Series)
+8-22Score: -14
Sarah Snook
as Molly Weasley in Harry Potter (HBO Max Series)
+15-21Score: -6
David Oyelowo
as Horace Slughorn in Harry Potter (HBO Max Series)
+1-9Score: -8
Michaela Coel
as Madame Hooch in Harry Potter (HBO Max Series)
+5-9Score: -4