Suggestions by @optimistic_writer

Sterling K. Brown

as Ron Troupe in World's Finest (Supporting Cast)

Hayden Panettiere

as Cat Grant in World's Finest (Supporting Cast)

Keri Russell

as Lana Lang in World's Finest (Supporting Cast)

Logan Lerman

as Jimmy Olsen in World's Finest (Supporting Cast)

Tommy Lee Jones

as Perry White in World's Finest (Supporting Cast)

Rachel McAdams

as Lois Lane in World's Finest (Supporting Cast)

Kyle Chandler

as Jon Kent in World's Finest (Supporting Cast)

Catherine Keener

as Martha Kent in World's Finest (Supporting Cast)

Graham Phillips

as Sandman II in World's Finest (Heroes)

Kevin McKidd

as Doctor Fate in World's Finest (Heroes)

Jude Law

as The Spectre in World's Finest (Heroes)

Hugh Dancy

as Max Mercury in World's Finest (Heroes)

Michael Ealy

as Mongrel in World's Finest (Heroes)

Joey King

as Rose and Thorn in World's Finest (Heroes)

Adam Rodriguez

as Gangbuster in World's Finest (Heroes)

Luke Mitchell

as Air Wave II in World's Finest (Heroes)

Haley Bennett

as Bulletgirl II in World's Finest (Heroes)

Hailee Steinfeld

as Donna Troy in World's Finest (Heroes)

Keanu Reeves

as Sarge Steel in World's Finest (Heroes)

Jake Short

as Kid Devil in World's Finest (Heroes)