Suggestions by @danielnewman

Jensen Ackles

as Clark Kent "Kal-El" in Batman & Superman| CWverse

Ashley French

as Kara Zor-El/Kara Kent in Superman Cinematic Universe

Travis Willingham

as Gorilla Grodd in The Flash

Jonathan Taylor Thomas

as Hunter Zolomon in The Flash

Rita Wilson

as Nora Thompson in The Flash

Peter MacNicol

as Martin Stein in The Flash

Tatiana Maslany

as Valerie Perez in The Flash

Tom Hanks

as Wade Eiling in The Flash

Natalie Dreyfuss

as Sue Dearbon in The Flash

Robbie Amell

as Ronnie Raymond in The Flash

John Wesley Shipp

as Henry Allen in The Flash

Jeffery Donovan

as Gregory Wolfe in The Flash

Michael Peña

as Simon Stagg in The Flash

Maria Menounos

as Kristen Kramer in The Flash

Chris Pratt

as Mason Bridge in The Flash

Kelsey Asbille

as Linda Park in The Flash

Bruce Campbell

as Jay Garrick in The Flash

Jake Gyllenhaal

as Eobard Thawne in The Flash

Kyle Gallner

as Bart Allen in The Flash

Hartley Sawyer

as Ralph Dibny in The Flash