Suggestions by @panicof1873

Michael Sheen

as Demelza Poldark in Poldark

Score: -2

Georgia Tennant

as Demelza Poldark in Poldark

Score: -1

Vincent D'Onofrio

as Osborne Whitworth in Poldark

Score: +1

Law & Order: Criminal Intent

as Osborne Whitworth in Poldark

Score: +1

James Norton

as Dr Dwight Enys in Poldark

Score: +5

Shaun Evans

as Francis Poldark in Poldark

Score: 0

Ruby Bentall

as Verity Poldark in Poldark

Score: +1

David Tennant

as Ross Poldark in Poldark

Score: -1

Jack Farthing

as George Warleggan in Poldark

Score: +1

James Norton

as Sidney Chambers in Grantchester

Score: +3

Alan Cumming

as Professor Moriarty in The Perfect Sherlock Holmes Movie

Score: -1

Roger Allam

as Inspector Lestrade in The Perfect Sherlock Holmes Movie

Score: +2

Mads Mikkelsen

as Sherlock Holmes in The Perfect Sherlock Holmes Movie

Score: -2

Tom Brittney

as Newton Pulsifer in Good Omens

Score: -1

Sara Vickers

as Amanda Kendall in Grantchester

Score: +1