Suggestions by @george84

Aneurin Barnard

as Cinna (the Conspirator) in Julius Caesar

Score: +1

Iwan Rheon

as Cinna (the Poet) in Julius Caesar

Score: +1

David Dawson

as Decius in Julius Caesar

Score: +1

Augustus Prew

as Flavius in Julius Caesar

Score: -1

Johnny Harris

as Murellus in Julius Caesar

Score: +1

Adeel Akhtar

as Artemidorus in Julius Caesar

Score: +1

Iain Glen

as Publius in Julius Caesar

Score: -1

Eddie Marsan

as The Soothsayer in Julius Caesar

Score: -1

Idris Elba

as Casca in Julius Caesar

Score: +1

Adrian Lester

as Cicero in Julius Caesar

Score: 0

Andrew Buchan

as Lepidus in Julius Caesar

Score: 0

Felicity Jones

as Calpurnia in Julius Caesar

Score: +1

Claire Foy

as Portia in Julius Caesar

Score: +1

Michael Fassbender

as Mark Antony in Julius Caesar

Score: +2

James McAvoy

as Cassius in Julius Caesar

Score: +1

Louis Partridge

as Octavius in Julius Caesar

Score: +2

Paddy Considine

as Caesar in Julius Caesar

Score: +1

Cillian Murphy

as Cassius in Julius Caesar

Score: +1

Tom Hollander

as Cicero in Julius Caesar

Score: +1

Benedict Cumberbatch

as Mark Antony in Julius Caesar

Score: +1