Suggestions by @thepinkmenace

Richard Gere

as Night Owl in Watchmen

Robin Williams

as Rorschach in Watchmen

Arnold Schwarzenegger

as Doctor Manhattan in Watchmen

James Acheson

as Costume Designer in Watchmen

Mel Bourne

as Production Designer in Watchmen

Michael Kamen

as Composer in Watchmen

Lawrence Gordon

as Producer in Watchmen

Joel Silver

as Producer in Watchmen

Sam Hamm

as Writer in Watchmen

Terry Gilliam

as Director in Watchmen

pumpkinchowcorg

as Alan in Smiling Friends (MyCast Edition)

Daveigh Chase

as Holly Robinson in Batman: Year One

Steven Levenson

as Writer in Rent

pumpkinchowcorg

as Green Goblin in Spider-Man (myCast edition)

Andrew Garfield

as Mark Cohen in Rent

Spoiler

as Green Haired Arkham Inmate in Batman: Year One

Jennifer Connelly

as Ann Gordon in Batman: Year One

Christopher McDonald

as Harvey Dent in Batman: Year One

Mark Margolis

as Gillian Loeb in Batman: Year One

Aaron Eckhart

as Jim Gordon in Batman: Year One