Suggestions by @willmckee

Juno Temple

as Belle in A Christmas Carol

Score: 0

Emilia Clarke

as Mrs. Holywell in A Christmas Carol

Score: +1

Tom Hiddleston

as Young Scrooge in A Christmas Carol

Score: 0

David Tennant

as Young Scrooge in A Christmas Carol

Score: +1

Jason Momoa

as The Ghost of Christmas Yet to Come in A Christmas Carol

Score: 0

James Corden

as Mr. Fezziwig in A Christmas Carol

Score: +1

Kenneth Branagh

as The Ghost of Christmas Present in A Christmas Carol

Score: 0

Ian McKellen

as The Ghost of Christmas Present in A Christmas Carol

Score: -2

Tilda Swinton

as The Ghost of Christmas Past in A Christmas Carol

Score: +5

Ralph Fiennes

as Jacob Marley in A Christmas Carol

Score: +3

Emily Blunt

as Mrs. Cratchit in A Christmas Carol

Score: +1

Benedict Cumberbatch

as Fred Holywell in A Christmas Carol

Score: 0

Eddie Redmayne

as Bob Cratchit in A Christmas Carol

Score: +3

Daniel Day-Lewis

as Ebenezer Scrooge in A Christmas Carol

Score: +4