Suggestions by @vadim_havard

Nicole Maines

as Dreamer in Flash

Victor Garber

as Martin Stein in Flash

Ethan Embry

as Johnny Thunder in Flash

David Ramsey

as John Diggle in Flash

Michelle Harrison

as Joan Garrick in Flash

Cameron Gellman

as Hourman in Flash

Brett Gelman

as Hourman in Flash

Anna Diop

as Starfire in Flash

Sanjeev Bhaskar

as David Singh in Flash

Ken Lawson

as Wesley Dodds in Flash

Amanda Pays

as Tina McGee in Flash

Skyler Gisondo

as Jimmy Olsen in Flash

Shantel VanSanten

as Patty Spivot in Flash

Jeremy Jordan

as Winn Schott in Flash

Jeremy Jordan

as Winn Schott in Flash

Lauren Denham

as Stacy Conwell in Flash

Danielle Nicolet

as Cecile Horton in Flash

Deanna Russo

as Crimson Fox in Flash

Emily Bett Rickards

as Felicity Smoak in Flash

Luke Wilson

as S.T.R.I.P.E. in Flash