Suggestions by @andr857m

Miles Teller

as Elvis Presley in FanCasting for Biopics

Score: +2

Jeremy Irons

as Professor in Disney's Tarzan 2020

Score: +1

Chris Evans

as Tarzan in Disney's Tarzan 2020

Score: -3

Chris Hemsworth

as Tarzan in Disney's Tarzan 2020

Score: -1

Mahershala Ali

as Scar in Lion King (My Dream Cast)

Score: -3

Gary Oldman

as Scar in Lion King (My Dream Cast)

Score: +1

Paul Bettany

as Friar Tuck in The Legend of Robin Hood

Score: -3

James Corden

as Friar Tuck in The Legend of Robin Hood

Score: +3

Emilia Clarke

as Lady Marion in The Legend of Robin Hood

Score: 0

Chris Hemsworth

as Little John in The Legend of Robin Hood

Score: -3

Christian Bale

as Sheriff of Nottingham in The Legend of Robin Hood

Score: +5

Daniel Craig

as Sheriff of Nottingham in The Legend of Robin Hood

Score: -1

Liam Neeson

as King Richard Lionheart in The Legend of Robin Hood

Score: +1

Ralph Fiennes

as Prince/king John in The Legend of Robin Hood

Score: -1

Dan Stevens

as Robin Locksley in The Legend of Robin Hood

Score: +3

Ralph Fiennes

as M. in Goldfinger (modern era)

Score: +1

Isla Fisher

as Tilly Masterson in Goldfinger (modern era)

Score: +2

Amy Adams

as Jill Masterson in Goldfinger (modern era)

Score: +2

Dan Stevens

as James Bond/007 in Goldfinger (modern era)

Score: -1

Ben Mendelsohn

as Auric Goldfinger in Goldfinger (modern era)

Score: +2