Suggestions by @raghavsm1

Michael Rosenbaum

as Eobard Thawne in The Flash (2009)

Score: +1

Emma Watson

as Iris West in The Flash (2009)

Score: +1

Tom Cavanagh

as Reverse-Flash in The Flash (2009)

Score: +1

Carlos Valdes

as Cisco Ramon in The Flash (2009)

Score: +1

Danielle Panabaker

as Killer Frost in The Flash (2009)

Score: +1

Grant Gustin

as The Flash in The Flash (2009)

Score: +1

James Newton Howard

as Composer in The Flash (2009)

Score: +1

Paul Dini

as Writer in The Flash (2009)

Score: +1

Richard Donner

as Producer in The Flash (2009)

Score: +1

James Wan

as Director in The Flash (2009)

Score: +1

Michael Fassbender

as Thomas Wayne in The Batman (2009)

Score: +1

Marisa Tomei

as Martha Wayne in The Batman (2009)

Score: +1

Aaron Taylor-Johnson

as Dick Grayson in The Batman (2009)

Score: +1

Denzel Washington

as Lucius Fox in The Batman (2009)

Score: +1

Karen Gillan

as Batgirl in The Batman (2009)

Score: +1

Bryan Cranston

as Commissioner Gordon in The Batman (2009)

Score: +1

Michelle Monaghan

as Poison Ivy in The Batman (2009)

Score: +1

Hugh Laurie

as Alfred Pennyworth in The Batman (2009)

Score: +1

Andy Serkis

as The Penguin in The Batman (2009)

Score: +1

Richard Madden

as Batman in The Batman (2009)

Score: +1