Suggestions by @joker10

Micah Joe Parker

as Clay Parker in The Flash

Britne Oldford

as Shawna Baez in The Flash

Melise

as Linda Park in The Flash

Victor Garber

as Dr. Martin Stein in The Flash

Andy Mientus

as Hartley Rathaway in The Flash

Roger Howarth

as Mason Bridge in The Flash

Tom Butler

as Erik Larken in The Flash

James Ralph

as Osgood Rathaway in The Flash

Jane Craven

as Rachel Rathaway in The Flash

Dominic Purcell

as Mick Rory in The Flash

Amanda Pays

as Tina McGee in The Flash

Anna Hopkins

as Samantha Clayton in The Flash

Paul Anthony

as Roy G. Bivolo in The Flash

David Ramsey

as John Diggle in The Flash

Michael Reventar

as Farooq Gibran in The Flash

Robert Knepper

as William Tockman in The Flash

Lauren Denham

as Stacy Conwell in The Flash

Greg Finley

as Tony Woodward in The Flash

Joivan Wade

as Victor Stone in Crisis on Infinite Earths

Brendan Fraser

as Cliff Steele in Crisis on Infinite Earths