Suggestions by @alexstockwell

Jemaine Clement

as Gorilla Grodd in DC Universe Rewrite

Score: +1

Brian Thompson

as Mongul in DC Universe Rewrite

Score: +1

Warwick Davis

as Mr. Mxyzptlk in DC Universe Rewrite

Score: +1

Bruce Greenwood

as Green Lantern in DC Universe Rewrite

Score: +1

Jay Baruchel

as Blue Beetle II in DC Universe Rewrite

Score: +1

Kate Mulgrew

as Granny Goodness in DC Universe Rewrite

Score: +1

Keith David

as Doctor Fate in DC Universe Rewrite

Score: +1

Eddie Redmayne

as Mad Hatter in DC Universe Rewrite

Score: +1

Adam Driver

as Vandal Savage in DC Universe Rewrite

Score: +1

Pierce Brosnan

as Alfred Pennyworth in DC Universe Rewrite

Score: +1

Zac Efron

as Booster Gold in DC Universe Rewrite

Score: +1

Ethan Suplee

as Detective Harvey Bullock in DC Universe Rewrite

Score: +1

Daniel Craig

as Deathstroke in DC Universe Rewrite

Score: +1

Mckenna Grace

as Spoiler in DC Universe Rewrite

Score: +1

Karen Gillan

as Poison Ivy in DC Universe Rewrite

Score: +1

Maya Hawke

as Troia in DC Universe Rewrite

Score: +1

Mélanie Laurent

as Talia al Ghul in DC Universe Rewrite

Score: +1

Thomas Lennon

as Scarface in DC Universe Rewrite

Score: +1

Damian Lewis

as Metallo in DC Universe Rewrite

Score: +1

Mads Mikkelsen

as Mister Freeze in DC Universe Rewrite

Score: +1