Suggestions by @prokof228

Asa Butterfield

as Inertia in "The Flash"

Joel McHale

as Trickster in "The Flash"

Ryan Gosling

as Zoom in "The Flash"

Sophie Turner

as Iris West-Allen in "The Flash"

Bill Skarsgård

as Kid Flash in "The Flash"

Jaeden Martell

as Impulse in "The Flash"

Rupert Grint

as The Pied Piper in "The Flash"

Michael Rosenbaum

as The Flash in "The Flash"

Alison Brie

as Lois Lane in “The Batman” fancast

Alexandra Daddario

as Sue Storm in Fantastic Four: Movie

Charlie Hunnam

as Green Arrow (Oliver Queen) in “The Batman” fancast

Don Cheadle

as Lucius Fox in “The Batman” fancast

Nikolaj Coster-Waldau

as Two-Face in “The Batman” fancast

Nikolaj Coster-Waldau

as Deathstroke in “The Batman” fancast

Peter Dinklage

as Mad Hatter in “The Batman” fancast

James McAvoy

as Mad Hatter in “The Batman” fancast

Freddie Highmore

as Mad Hatter in “The Batman” fancast

Karl Urban

as Deathstroke in “The Batman” fancast

Daniel Radcliffe

as Deathstroke in “The Batman” fancast

Hugh Laurie

as The Riddler in “The Batman” fancast