Suggestions by @austindickey

Ana de Armas

as Selina Kyle in Batman

Score: +2

Ralph Fiennes

as Alfred Pennyworth in Batman

Score: +1

Tyler Hoechlin

as Bruce Wayne in Batman

Score: +1

Sarah Bolger

as Siobhan McDougle in Superman

Score: +1

Lindsay Wagner

as Dr. Leslie Thompkins in Batman

Score: +1

Ricky Whittle

as Ma'alefa'ak in Justice League: Doom

Score: +1

Ricky Whittle

as Ma'alefa'ak in Legion of Doom

Score: +1

John C. Reilly

as Winslow Schott in Legion of Doom

Score: +1

Jimmi Simpson

as Jonathan Crane in Legion of Doom

Score: +1

Neil Patrick Harris

as Edward Nygma in Legion of Doom

Score: +1

David Giuntoli

as Bizarro in Legion of Doom

Score: +1

Kevin Michael Richardson

as Doomsday in Superman

Score: +1

Christopher Judge

as Darkseid in Superman

Score: +1

Lynn Collins

as Grail in Wonder Woman

Score: +1

Brendan Fraser

as Lt. Dan Turpin in Superman/Batman: Worlds Finest

Score: +1

Bruce Campbell

as Perry White in Superman/Batman: Worlds Finest

Score: +1

Domenick Lombardozzi

as Det. Harvey Bullock in Superman/Batman: Worlds Finest

Score: +1

Billy Burke

as Commissioner Gordon in Superman/Batman: Worlds Finest

Score: +1

Mallory Jansen

as Mercy Graves in Superman/Batman: Worlds Finest

Score: +1

Melissa Rauch

as Dr. Harleen Quinzel in Superman/Batman: Worlds Finest

Score: +1