Suggestions by @tylorwilliams1

Ian James Corlett

as Johnathan Kent in Superman: A New Hope

Score: +1

Dee Bradley Baker

as General Zod in Superman: A New Hope

Score: +1

Nolan North

as Clark Kent/Superman in Superman: A New Hope

Score: +1

C. Thomas Howell

as Harrison Wells in The Flash: The Fastest Man Alive

Score: +1

Dwight Schultz

as Evan McCulloch/Mirror Master in The Flash: The Fastest Man Alive

Score: +1

Eric Bauza

as Joe West in The Flash: The Fastest Man Alive

Score: +1

Tara Platt

as Iris West in The Flash: The Fastest Man Alive

Score: +1

Yuri Lowenthal

as Barry Allen/The Flash in The Flash: The Fastest Man Alive

Score: +1

William Saylers

as Harrison Wells in The Flash: The Fastest Man Alive

Score: -1

Benedict Cumberbatch

as Sinestro (Former green lantern) in Lanterns

Score: +1

Kevin Michael Richardson

as Kilawog in Lanterns

Score: +1

Steve Carell

as Chip in Lanterns

Score: +1

Dana Gaier

as Arisia in Lanterns

Score: +1

Jason Biggs

as Guy Gardner (Green Lantern) in Lanterns

Score: +1

Amy Palant

as Carol Ferris in Lanterns

Score: +1

Dan White

as John Stewart (Green Lantern) in Lanterns

Score: +1

Steve Blum

as Hal Jordon (Green Lantern) in Lanterns

Score: +1

David Kaye

as Saint Walker in Lanterns

Score: +1

Peter Cullen

as Ganthet in Lanterns

Score: +1

Clancy Brown

as Zeus in Wonder Woman: Warrior of Peace

Score: +1