Suggestions by @cyclops

Spoiler

as The Dark Knight in Birds Of Prey

Scarlett Johansson

as Dinah "Laurel" Lance in Birds Of Prey

Misha Collins

as Victor Sage in Birds Of Prey

Emma Stone

as Barbara Gordan in Birds Of Prey

Quentin Tarantino

as Director in Birds Of Prey

Christopher Nolan

as Writer in Birds Of Prey

Finn Wolfhard

as Bartholomew Allen in Flash: The Rouges

Michael Keaton

as Max Crandall in Flash: The Rouges

Brad Pitt

as Jay Garrick in Flash: The Rouges

Matthew Goode

as Eobard Thawne in Flash: The Rouges

Maya Hawke

as Jesse Chambers in Flash: The Rouges

David Tennant

as Evan McCulloch in Flash: The Rouges

Natalie Dormer

as Louise Lincoln in Flash: The Rouges

Jai Courtney

as George Harkness in Flash: The Rouges

Diego Luna

as Mark Mardon in Flash: The Rouges

Paul Levesque

as Mick Rory in Flash: The Rouges

Jason Genao

as Francisco "Cisco" Ramone in Flash: The Rouges

Jared Padalecki

as Ronnie Raymond in Flash: The Rouges

Ed Harris

as Derryl Frye in Flash: The Rouges

Amy Adams

as Iris West in Flash: The Rouges