Suggestions by @ulisesmartinezsalinas

Grey DeLisle

as Black Canary in Justice (Animated Film)

Neal McDonough

as Green Arrow in Justice (Animated Film)

Carl Lumbly

as Martian Manhunter in Justice (Animated Film)

Nathan Fillion

as Green Lantern in Justice (Animated Film)

Michael Rosenbaum

as Flash in Justice (Animated Film)

Adam Baldwin

as Aquaman in Justice (Animated Film)

Kevin Conroy

as Batman in Justice (Animated Film)

Susan Eisenberg

as Wonder Woman in Justice (Animated Film)

Tim Daly

as Superman in Justice (Animated Film)

Nolan North

as Harvey Bullock in Batman Knightfall (Animated Movie Trilogy)

Alastair Duncan

as Alfred Pennyworth in Batman Knightfall (Animated Movie Trilogy)

Tom Kane

as James Gordon in Batman Knightfall (Animated Movie Trilogy)

John DiMaggio

as Rupert Thorne in Batman Knightfall (Animated Movie Trilogy)

Grey DeLisle

as Catwoman in Batman Knightfall (Animated Movie Trilogy)

Cree Summer

as Nocturna in Batman Knightfall (Animated Movie Trilogy)

Vanessa Marshall

as Renee Montoya in Batman Knightfall (Animated Movie Trilogy)

Debra Wilson

as Dr. Shondra Kinsolving in Batman Knightfall (Animated Movie Trilogy)

Rick D. Wasserman

as Clayface in Batman Knightfall (Animated Movie Trilogy)

Laura Bailey

as Ravager in Batman Knightfall (Animated Movie Trilogy)

Dee Bradley Baker

as Mad Hatter in Batman Knightfall (Animated Movie Trilogy)