Suggestions by @indroves

Genneya Walton

as Eiden Gray in After The End

Imani Lewis

as Eiden Gray in After The End

Chandler Kinney

as Eiden Gray in After The End

China Anne McClain

as Eiden Gray in After The End

Vereena Sayed

as Eiden Gray in After The End

Kyle Red Silverstein

as Warren Golde in After The End

Daniel DiMaggio

as Warren Golde in After The End

Noah Urrea

as Warren Golde in After The End

Logan Thompson

as Warren Golde in After The End

Pearce Joza

as Warren Golde in After The End

Milo Manheim

as Warren Golde in After The End

Lucas Jade Zumann

as Warren Golde in After The End

Tanner Buchanan

as Warren Golde in After The End

Jordan Elsass

as Warren Golde in After The End

Alan Ritchson

as Reverse Flash (Earth 1) in The Flash

Chris Evans

as Reverse Flash (Earth 1) in The Flash

Henry Cavill

as Reverse Flash (Earth 1) in The Flash

Ansel Elgort

as The Flash (Earth Prime) in The Flash

Logan Lerman

as The Flash (Earth Prime) in The Flash

Grant Gustin

as The Flash (Earth Prime) in The Flash