Suggestions by @186fleetstreet

Colin Morgan

as Artus in Chronicles of the Imaginarium Geographica

Score: +2

Samuel Barnett

as Young Samaranth in Chronicles of the Imaginarium Geographica

Score: +2

Anthony Hopkins

as Samaranth in Chronicles of the Imaginarium Geographica

Score: +1

Misha Collins

as Samaranth in Chronicles of the Imaginarium Geographica

Score: +1

Sasha Alexander

as Kate Walker in Syberia

Score: +2

Warwick Davis

as Hans Voralberg in Syberia

Score: +1

Peter Dinklage

as Hans Voralberg in Syberia

Score: +1

Joel Grey

as Hans Voralberg in Syberia

Score: 0

Paul Williams

as Hans Voralberg in Syberia

Score: +2

Tatiana Maslany

as Her in True Fear: Forsaken Souls Trilogy

Score: -3

Tatiana Maslany

as Holly Stonehouse in True Fear: Forsaken Souls Trilogy

Score: -3

Helen Mirren

as Martha Stonehouse in True Fear: Forsaken Souls Trilogy

Score: +2

Maggie Smith

as Martha Stonehouse in True Fear: Forsaken Souls Trilogy

Score: +3

Judi Dench

as Martha Stonehouse in True Fear: Forsaken Souls Trilogy

Score: +3

Jayne Wisener

as Nurse Rachel Simmons in True Fear: Forsaken Souls Trilogy

Score: +3

Amy Forsyth

as Emma Clarke in True Fear: Forsaken Souls Trilogy

Score: +1

D'Arcy Carden

as Dr. Jessica Sachs in True Fear: Forsaken Souls Trilogy

Score: +3

Aidan Quinn

as Professor Charles Smith in True Fear: Forsaken Souls Trilogy

Score: 0

Gary Oldman

as Professor Charles Smith in True Fear: Forsaken Souls Trilogy

Score: +1

Matt Lucas

as The Gray Man in Kathy Rain: A Detective is Born

Score: +2