Suggestions by @philippekabulu

Hugh Laurie

as Jon Arryn in Robert's Rebellion

Score: +1

James Frain

as Paxter Redwyne in Robert's Rebellion

Score: +2

Patrick Stewart

as Randyll Tarly in Robert's Rebellion

Score: +1

Zach Galifianakis

as Mace Tyrell in Robert's Rebellion

Score: +1

Luke Pasqualino

as Doran Martell in Robert's Rebellion

Score: +1

Rodrigo Santoro

as Lewyn Martell in Robert's Rebellion

Score: +1

James Purefoy

as Barristan Selmy in Robert's Rebellion

Score: +2

Andy Serkis

as Jonothor Darry in Robert's Rebellion

Score: 0

Stephen Lang

as Gerold Hightower in Robert's Rebellion

Score: +1

Robert Carlyle

as Rossart in Robert's Rebellion

Score: +2

Toby Stephens

as Jon Connington in Robert's Rebellion

Score: +1

William Moseley

as Rhaegar Targaryen in Robert's Rebellion

Score: +1

Jason Isaacs

as Aerys II Targaryen in Robert's Rebellion

Score: +2

Riz Ahmed

as Vaelor Kain in KINGDOM

Score: +1

George MacKay

as Iolan de Brèche-Rouge in KINGDOM

Score: +1

Mark Rylance

as Marquis Osgar de Tervanne in KINGDOM

Score: +1

Richard Madden

as Ser Jorvik d’Ashrel in KINGDOM

Score: +1

Mads Mikkelsen

as Général Hadrien Falkor in KINGDOM

Score: +1

Jeremy Irons

as Père Kaël de Lyth in KINGDOM

Score: +1

Ben Kingsley

as Belthran l’Archonte in KINGDOM

Score: +1