Suggestions by @handburger

Mark Ruffalo

as Zodiac in David Fincher Actors

Robert Downey Jr.

as Zodiac in David Fincher Actors

Alexandra Ruddy

as The Social Network in David Fincher Actors

Riley Voelkel

as The Social Network in David Fincher Actors

Jason Flemyng

as The Social Network in David Fincher Actors

Jesse Heiman

as The Social Network in David Fincher Actors

Caleb Landry Jones

as The Social Network in David Fincher Actors

Aaron Sorkin

as The Social Network in David Fincher Actors

Marcella Lentz-Pope

as The Social Network in David Fincher Actors

Adina Porter

as The Social Network in David Fincher Actors

Caitlin Gerard

as The Social Network in David Fincher Actors

Scott Lawrence

as The Social Network in David Fincher Actors

Emma Fitzpatrick

as The Social Network in David Fincher Actors

Mariah Bonner

as The Social Network in David Fincher Actors

Abhi Sinha

as The Social Network in David Fincher Actors

Shelby Young

as The Social Network in David Fincher Actors

Barry Livingston

as The Social Network in David Fincher Actors

Melise

as The Social Network in David Fincher Actors

Dakota Johnson

as The Social Network in David Fincher Actors

Wallace Langham

as The Social Network in David Fincher Actors