Suggestions by @carldavid

Betty White

as Padera in Legends of the first empire

Score: -2

Julia Stiles

as Arion in Legends of the first empire

Score: -1

Mckenna Grace

as Suri in Legends of the first empire

Score: 0

Doug Jones

as Malcolm in Legends of the first empire

Score: -2

Alexander Ludwig

as Raithe in Legends of the first empire

Score: -1

Kellan Lutz

as Raithe in Legends of the first empire

Score: -4

Lindsey Morgan

as Moya in Legends of the first empire

Score: -1

Chris Sullivan

as Magnus in The Riyria Revelations

Score: 0

Macaulay Culkin

as Degan Gaunt in The Riyria Revelations

Score: -2

Henry Cavill

as Degan Gaunt in The Riyria Revelations

Score: -3

Sarah Hyland

as Lenare Pickering in The Riyria Revelations

Score: +1

Catherine Zeta-Jones

as Belinda Pickering in The Riyria Revelations

Score: 0

Ricky Gervais

as Archibald Ballentyne in The Riyria Revelations

Score: -4

Adrien Brody

as Myron Lanaklin in The Riyria Revelations

Score: -10

Stephen Fry

as Arcadius Vintarus Latimer in The Riyria Revelations

Score: 0

Simon Paisley Day

as Bishop Maurice Saldur in The Riyria Revelations

Score: -6

Zoe Saldaña

as Gwen Delancy in The Riyria Revelations

Score: -2

Jennifer Lawrence

as Arista Essendon in The Riyria Revelations

Score: -15