Suggestions by @tj_hoffman

Daniel Radcliffe

as Mark Mardon in The Flash

Will Brill

as Sam Scudder in The Flash

Jeffery Donovan

as Leonard Snart in The Flash

Amanda Peet

as Nora Allen in The Flash

Amanda Righetti

as Iris West in The Flash

Neal McDonough

as Henry Allen in The Flash

Sam Witwer

as August Heart in The Flash

Thomas Barbusca

as Bart Allen in The Flash

KJ Apa

as Wally West in The Flash

Luke Mitchell

as Barry Allen in The Flash

Charlie Rowe

as Wally West in The Flash

Dennis Quaid

as Det. Darryl Frye in The Flash

Andrew Scott

as Dr. Darwin Elias in The Flash

Guy Pearce

as Hunter Zolomen in The Flash

Emma Stone

as Iris West in The Flash

Evan Peters

as Barry Allen in The Flash

David Tennant

as Dr. Jonathan Crane in The Batman

Peter Capaldi

as Alfred Pennyworth in The Batman

Bryan Cranston

as Commissioner Jim Gordon in The Batman

Noah Schnapp

as Tim Drake in The Batman