Suggestions by @joker10

Jack Moore

as William Clayton in The Flash

Anna Hopkins

as Samantha Clayton in The Flash

Falk Hentschel

as Carter Hall in The Flash

Casper Crump

as Vandal Savage in The Flash

Neal McDonough

as Damien Darhk in The Flash

David Ramsey

as John Diggle in The Flash

Willa Holland

as Thea Queen in The Flash

Emily Bett Rickards

as Felicity Smoak in The Flash

John Barrowman

as Malcolm Merlyn in The Flash

David Sobolov

as Gorilla Grodd in The Flash

Tom Butler

as Erik Larkin in The Flash

Violett Beane

as Jesse Wells in The Flash

Ciara Renée

as Kendra Saunders in The Flash

David Hayter

as Shae Lambden in The Flash

Amanda Pays

as Tina McGee in The Flash

Demore Barnes

as Dr. Henry Hewitt in The Flash

Franz Drameh

as Jefferson Jackson in The Flash

Peyton List

as Lisa Snart in The Flash

Melise

as Linda Park in The Flash

Michael Ironside

as Lewis Snart in The Flash