Suggestions by @colinsilber

Bradley Cooper

as Lex Luthor in Superman: Man of Tomorrow

Score: +1

Joel Edgerton

as Parasite in Superman: Man of Tomorrow

Score: +1

Vin Diesel

as Martian Manhunter in Superman: Man of Tomorrow

Score: +1

Julianne Moore

as Martha Kent in Superman: Man of Tomorrow

Score: +1

Dennis Quaid

as Jonathan Kent in Superman: Man of Tomorrow

Score: +1

Teri Hatcher

as Lara Lor-Van El in Superman: Man of Tomorrow

Score: +1

Dean Cain

as Jor-El in Superman: Man of Tomorrow

Score: +3

Mary Elizabeth Winstead

as Lois Lane in Superman: Man of Tomorrow

Score: +1

Richard Madden

as Superman in Superman: Man of Tomorrow

Score: +1

Anya Taylor-Joy

as Poison Ivy in The Batman: House of Madness

Score: +1

Adam Driver

as Scarecrow in The Batman: House of Madness

Score: -1

Dennis Haysbert

as Killer Croc in The Batman: House of Madness

Score: +1

Colin Farrell

as Penguin in The Batman: House of Madness

Score: +1

Paul Dano

as Riddler in The Batman: House of Madness

Score: +1

Dave Bautista

as Bane in The Batman: House of Madness

Score: +1

Mark Strong

as Mr. Freeze in The Batman: House of Madness

Score: +1

Samara Weaving

as Harley Quinn in The Batman: House of Madness

Score: +1

Barry Keoghan

as Joker in The Batman: House of Madness

Score: +1

Donald Glover

as Harvey Dent in The Batman: House of Madness

Score: +1

Alfred Enoch

as Harvey Dent in The Batman: House of Madness

Score: +1