Suggestions by @sansyboi

John Slattery

as Darryl Frye in Flash Movie

Al Pacino

as Black Mask in Batman

Nick Zano

as Virman Vundabar in Justice League

Billy Crudup

as Reed Richards in Marvel (Recast)

Jon Hamm

as Bruce Wayne in The Batman/Superman: World's Finest

Jukka Hildén

as Joker in Suicide Squad

James McAvoy

as Leonard Snart in Flash Movie

Desmond Harrington

as Leonard Snart in Flash Movie

Vanessa Hudgens

as Iris West-Allen in Flash Movie

Michael C. Hall

as Eobard Thawne/Prof. Zoom in Flash Movie

Dave Franco

as Barry Allen/The Flash in Flash Movie

Tony Todd

as Evil Emperor Zurg in Toy Story

Matthew Patrick

as The Riddler in Batman

Nathan Jones

as Aleksei Sytsevich in Spider-Man TV Show

Justin Chambers

as Curt Conners in Spider-Man TV Show

Matt Letscher

as Norman Osborn in Spider-Man TV Show

Rob Paulsen

as Bill Gates in Gates

Harry Lennix

as Sammy Davis Jr in The Brothers Kennedy

Bryan Cranston

as Lance Russell in The King

Jimmi Simpson

as The Riddler in Batman