Suggestions by @thepinkmenace

Adam Wolfe

as Editor in Superman: Parasite

Matthew J. Lloyd

as Cinematographer in Superman: Parasite

James Horner

as Composer in Superman: Parasite

J. Michael Straczynski

as Writer in Superman: Parasite

Dean Israelite

as Director in Superman: Parasite

The Riddler (Edward Nigma)

as "Who is Batman?" in Batman: Darkness

Spoiler

as "Who is Batman?" in Batman: Darkness

Emma Stone

as Gotham's New Mayor in Batman: Darkness

Spoiler

as Gotham's New Mayor in Batman: Darkness

Andrew Bryniarski

as The Birthday Boy in Batman: Darkness

David Mattey

as Axe in Batman: Darkness

David Hewlett

as Jacob Weaver in Batman: Darkness

Vera Farmiga

as Martha Wayne in Batman: Darkness

Jon Hamm

as Thomas Wayne in Batman: Darkness

Dakota Fanning

as Barbara Gordon in Batman: Darkness

Bradley Cooper

as Harvey Bullock in Batman: Darkness

Bryan Cranston

as James Gordon in Batman: Darkness

Timothy Spall

as Oswald Cobblepot in Batman: Darkness

Sam Neill

as Alfred Pennyworth in Batman: Darkness

Colleen Atwood

as Costume Designer in Batman: Darkness