Suggestions by @caped_crsder

Garrett Hedlund

as Steve Trevor in Wonder Woman (2013)

Score: +1

Gal Gadot

as Wonder Woman in Wonder Woman (2013)

Score: +1

Ayelet Zurer

as Lara Lor-Van in Superman: Man of Steel (2012)

Score: +1

Michael Cera

as Jimmy Olsen in Superman: Man of Steel (2012)

Score: +1

Laurence Fishburne

as Perry White in Superman: Man of Steel (2012)

Score: +1

Russell Crowe

as Jor-El in Superman: Man of Steel (2012)

Score: +1

Diane Lane

as Martha Kent in Superman: Man of Steel (2012)

Score: +1

Kevin Costner

as Jonathan Kent in Superman: Man of Steel (2012)

Score: +1

Mark Strong

as Lex Luthor in Superman: Man of Steel (2012)

Score: +1

Rachel McAdams

as Lois Lane in Superman: Man of Steel (2012)

Score: +1

Barry Keoghan

as Jeremiah Valeska/The Joker in The Batman: Gang War

Score: +2

Seth Rogen

as Alexander Knox in Batman (2019)

Score: +1

Eric Roberts

as Carl Grissom in Batman (2019)

Score: +1

Mahershala Ali

as Harvey Dent in Batman (2019)

Score: +3

Brendan Gleeson

as James Gordon in Batman (2019)

Score: +4

John Cleese

as Alfred Pennyworth in Batman (2019)

Score: 0