Suggestions by @deadpool69

Mahershala Ali

as Cottonmouth in All the X-Men Characters

Score: +1

Melissa McCarthy

as Ma Vreedle in BEN 10 Live Action Series

Score: +1

Saniyya Sidney

as Julie Yamamoto in BEN 10 Live Action Series

Score: 0

Bailee Madison

as Lucy in BEN 10 Live Action Series

Score: +2

Virginia Gardner

as Eunice in BEN 10 Live Action Series

Score: +2

Lotus Blossom

as Attea in BEN 10 Live Action Series

Score: +3

Hala Finley

as Lucy Mann in BEN 10 Live Action Series

Score: +2

Mark Hamill

as Grandpa Max in BEN 10 Live Action Series

Score: +6

David Bradley

as Dr. Animo in BEN 10 Live Action Series

Score: +6

Richard E. Grant

as Dr. Animo in BEN 10 Live Action Series

Score: +3

Tom Hiddleston

as Raff in BEN 10 Live Action Series

Score: +1

Michael Fassbender

as Raff in BEN 10 Live Action Series

Score: -1

John Leguizamo

as Milleous in BEN 10 Live Action Series

Score: +1

Allegra Leguizamo

as Attea in BEN 10 Live Action Series

Score: +1

Nathan Kress

as Pierce Wheels in BEN 10 Live Action Series

Score: +1

Jennette McCurdy

as Helen Wheels in BEN 10 Live Action Series

Score: +1

Terry Crews

as Manny Armstrong in BEN 10 Live Action Series

Score: +1

Samuel L. Jackson

as Sheriff Mason in BEN 10 Live Action Series

Score: +1

Asa Butterfield

as Hugo in BEN 10 Live Action Series

Score: +1

Tommy Lee Jones

as General Groff in BEN 10 Live Action Series

Score: +1