Suggestions by @captainwhaddock

Linda Hamilton

as Martha Kent in What If "I" Did a Superman Reboot in 2004?

Score: +1

Stellan Skarsgård

as Jonathen Kent in What If "I" Did a Superman Reboot in 2004?

Score: +1

David Suchet

as Chief Inspector Charles Dreyfus in The Pink Panther (1996)

Score: +2

Claude Zidi

as Director in A Better Pink Panther Reboot

Score: +2

Claudia Cardinale

as The Maharaja’s Daughter in A Better Pink Panther Reboot

Score: -2

Jet Li

as Cato Fong in A Better Pink Panther Reboot

Score: +2

Hugh Grant

as Sir Charles Lytton in A Better Pink Panther Reboot

Score: +2

Jonathan Pryce

as Sargeant Francois in A Better Pink Panther Reboot

Score: +2

David Suchet

as Commissioner Dreyfus in A Better Pink Panther Reboot

Score: +3

Kevin Kline

as Inspector Clouseau in A Better Pink Panther Reboot

Score: +2

Kevin Kline

as Jacques Clouseau in The Pink Panther (1996)

Score: +2

Miles Teller

as Brian Wilson in Rockstars Biopics

Score: +1

Rupert Grint

as Elton John in Rockstars Biopics

Score: +1

Danny Boyle

as Director in Smile: The Life of Brain Wilson

Score: +1

Tony Grisoni

as Writer in Smile: The Life of Brain Wilson

Score: +1

Tom Holland

as Dennis Wilson in Smile: The Life of Brain Wilson

Score: +1

Nelson Mandela

as Famous People Who Needs Another Go in Famouse People Who Need Biopics

Score: 0

Brian Wilson

as Composer in Smile: The Life of Brain Wilson

Score: +1

James Woods

as Eugene Landy in Smile: The Life of Brain Wilson

Score: +1

Miles Teller

as Young Brain Wilson in Smile: The Life of Brain Wilson

Score: +1