Suggestions by @dickcooper

Minka Kelly

as Dove II in The Outsiders

Alan Ritchson

as Hawk in The Outsiders

Neil Patrick Harris

as Blue Beetle in The Outsiders

Jon Hamm

as The Question in The Outsiders

Sophie Turner

as Livewire in The Outsiders

Wolfgang Novogratz

as Green Lantern in The Outsiders

Teagan Croft

as Raven in Nightwing

Ryan Potter

as Beast Boy in Nightwing

Joshua Orpin

as Superboy in Nightwing

Antony Starr

as Reverse Flash in Nightwing

Jake T. Austin

as Atom in Nightwing

Colton Haynes

as Anarky in Nightwing

Tom Hardy

as Blockbuster in Nightwing

Amazo

as A.M.A.Z.O in Nightwing

Misha Collins

as Icicle in The Flash

Justin Hartley

as Heatweave in The Flash

Michael Kelly

as Général Wade Eilling in The Flash

Ben McKenzie

as Cobalt blue in The Flash

Teagan Croft

as Raven in The Flash

Ryan Potter

as Beast Boy in The Flash