Suggestions by @stevepwayne914

Jonah Hill

as Penguin in Batman

Jamie Dornan

as Two-Face in Batman

Bruce Campbell

as Perry White in Justice League

Katherine Langford

as Lois Lane in Justice League

Oscar Isaac

as Bruce Wayne in Superman: The Man of Steel

Oscar Isaac

as Bruce Wayne in The Flash

Oscar Isaac

as Batman in Batman

Oscar Isaac

as Batman in Justice League

Joe Keery

as Nightwing in James Gunn's DC Cinematic Universe

Jensen Ackles

as Deathstroke in Batman

Joe Keery

as Dick Grayson in Batman

Sam Claflin

as Batman in Batman

James Gunn

as Producer in Batman

Klaus Badelt

as Composer in Batman

Sam Raimi

as Director in Batman

Charlie Heaton

as Jason Todd in Batman

Olivia Wilde

as Martha Wayne in Batman

Colin Farrell

as Thomas Wayne in Batman

Matthew Goode

as Thomas Elliot in Batman

Scarlett Hefner

as Dr. Penelope Young in Batman