Suggestions by @gustavoduarte

David Strathairn

as Professor Martin Stein in The Flash: Keep, Keep Running.

Andrew Lincoln

as Leonard Snart in The Flash: Keep, Keep Running.

Norman Reedus

as Mick Rory in The Flash: Keep, Keep Running.

Elizabeth Olsen

as Caitilin Snow in The Flash: Keep, Keep Running.

Emilia Clarke

as Caitilin Snow in The Flash: Keep, Keep Running.

Zac Efron

as Ronnie Raymond in The Flash: Keep, Keep Running.

Antony Starr

as Eobard Thawne in The Flash: Keep, Keep Running.

Lucas Till

as Barry Allen in The Flash: Keep, Keep Running.

Chosen Jacobs

as Wallace "Wally" West in The Flash: Keep, Keep Running.

Sandra Bullock

as Nora Allen in Batman: Flashpoint Beyond

Mark Pellegrino

as Henry Allen in Batman: Flashpoint Beyond

Lucas Till

as Barry Allen in Batman: Flashpoint Beyond

Terry Notary

as Black Flash in Batman: Flashpoint Beyond

Kevin Bacon

as Eobard Thawne in Batman: Flashpoint Beyond

Mackenzie Crook

as Joe Chill in Batman: Flashpoint Beyond

Chris Evans

as Barry Allen in Batman: Flashpoint Beyond

Eiza González

as Selina Kyle in Batman: Flashpoint Beyond

David Mazouz

as Bruce Wayne in Batman: Flashpoint Beyond

Lauren Cohan

as Martha Wayne in Batman: Flashpoint Beyond

Jeffrey Dean Morgan

as Thomas Wayne in Batman: Flashpoint Beyond