Suggestions by @shekhurnajob

David Hunt

as British actors with a good American accent in United Kingdom

Score: +2

Henry Jackman

as Composer in Wizzil

Score: +1

Fergal Reilly

as Director in Wizzil

Score: +1

Bryce Gheisar

as Hogarth Hughes in The Iron Giant 2

Score: +2

Skai Jackson

as Lucy Pine in The Iron Giant 2

Score: +3

Michelle Pfeiffer

as The Iron Woman in The Iron Giant 2

Score: +2

Ving Rhames

as Transformers in Actors who should be in / join certain Cinematic Universe

Score: +1

Beattie Edmondson

as British actors with a good American accent in United Kingdom

Score: +2

Tom Bennett

as British actors with a good American accent in United Kingdom

Score: +2

Alexander Aze

as British actors with a good American accent in United Kingdom

Score: +2

Jade Froeder

as Americans with a good English accent. in United Kingdom

Score: +2

Ashley Ahlquist

as Americans with a good English accent. in United Kingdom

Score: +2

Trace Bronson

as Americans with a good English accent. in United Kingdom

Score: +2

Bryce Dallas Howard

as Bella in A Dog's Courage

Score: +3

Marg Helgenberger

as Americans with a good English accent. in United Kingdom

Score: +2

Gary Oldman

as Ghost Of Christmas Present in A Christmas Carol

Score: +1

Jeremy Irons

as Ghost Of Christmas Present in A Christmas Carol

Score: +1

Hugh Jackman

as Ghost Of Christmas Present in A Christmas Carol

Score: +1

Patrick Stewart

as Ghost Of Christmas Present in A Christmas Carol

Score: +1

Nick Frost

as Ghost Of Christmas Present in A Christmas Carol

Score: +1