Suggestions by @dylangibson

Peter Cullen

as Optimus Prime in Phoenix Studios Transformers 2 Rewrite

Score: +1

Frank Welker

as Soundwave in Phoenix Studios Transformers 1 Rewrite

Score: +3

Shia LaBeouf

as Spike Witwicky in Phoenix Studios Transformers 1 Rewrite

Score: +2

Charles Adler

as Starscream in Phoenix Studios Transformers 1 Rewrite

Score: +3

Grey DeLisle

as Arcee in Phoenix Studios Transformers 1 Rewrite

Score: +3

Darius McCrary

as Jazz in Phoenix Studios Transformers 1 Rewrite

Score: +3

Frank Welker

as Megatron in Phoenix Studios Transformers 1 Rewrite

Score: +1

Robert Foxworth

as Ratchet in Phoenix Studios Transformers 1 Rewrite

Score: +3

Jess Harnell

as Ironhide in Phoenix Studios Transformers 1 Rewrite

Score: +3

Dylan O'Brien

as Bumblebee in Phoenix Studios Transformers 1 Rewrite

Score: +2

Peter Cullen

as Optimus Prime in Phoenix Studios Transformers 1 Rewrite

Score: +3

Eric Bana

as Bruce Banner in Avengers (2012)

Score: +1

James Nesbitt

as Roadbuster in Transformers Dark of the Moon Rewrite

Score: +2

Karl Urban

as Ironhide in Transformers Dark of the Moon Rewrite

Score: +1

Christopher Nolan

as Director in Transformers Dark of the Moon Rewrite

Score: +1

Johnny Yong Bosch

as Bumblebee in Transformers Dark of the Moon Rewrite

Score: +1

Fred Tatasciore

as Megatron in TBAM The Last Knight

Score: +1

J.K. Simmons

as Ratchet in TBAM The Last Knight

Score: +1

Karl Urban

as Ironhide in TBAM The Last Knight

Score: +1

Ramón Rodríguez

as Leo Spitz in Transformers Dark of the Moon Rewrite

Score: +2