Suggestions by @dcentertainment

Zoey Deutch

as Iris West in Flash

Ethan Hawke

as Black Flash in Flash

Lucas Till

as Darwin Elias in Flash

Sendhil Ramamurthy

as Davis Singh in Flash

John Stamos

as Henry Allen in Flash

Daisy Ridley

as Nora Allen in Flash

Wyatt Oleff

as Kid Flash in Flash

Carlos PenaVega

as Vibe in Flash

Bruce Greenwood

as Jay Garrick in Flash

Kiernan Shipka

as Jesse Quick in Flash

Aramis Knight

as Jai West in Flash

Ben Schwartz

as Krakkl in Flash

Momona Tamada

as XS in Flash

Angourie Rice

as Kid Flash II in Flash

Thomas Barbusca

as Impulse in Flash

Myles Truitt

as Kid Flash IV in Flash

Kim Yoo-hyeon

as Flash V in Flash

John Slattery

as Quicksilver in Flash

Adam Scott

as Elongated Man in Flash

Brett Gray

as Firestorm in Flash