Suggestions by @maxolly

Trevor St. John

as Henry Allen in The Flash

Score: +1

Will Poulter

as Trickster in The Flash

Score: +1

Richard Madden

as Mirror Master in The Flash

Score: +1

Dove Cameron

as Golden Glider in The Flash

Score: +1

Norman Reedus

as Heat Wave in The Flash

Score: +1

Dacre Montgomery

as Captain Cold in The Flash

Score: +1

James McAvoy

as Professor Zoom/Reverse Flash in The Flash

Score: +1

Emma Stone

as Iris West in The Flash

Score: +1

Jack Quaid

as Flash in The Flash

Score: +1

Matthew Vaughn

as Director in The Flash

Score: +1

Lily James

as Mary Grayson in Batman: The Brave And The Bold

Score: +1

Steve Schirripa

as Tonny Zucco in Batman: The Brave And The Bold

Score: +1

Ethan Hawke

as Commissioner Gordon in Batman: The Brave And The Bold

Score: +1

Peter Capaldi

as Alfred Pennyworth in Batman: The Brave And The Bold

Score: +1

Paul Giamatti

as The Penguin in Batman: The Brave And The Bold

Score: +1

David Tennant

as The Riddler in Batman: The Brave And The Bold

Score: +1

Walker Scobell

as Robin in Batman: The Brave And The Bold

Score: +1

Robert Pattinson

as Batman in Batman: The Brave And The Bold

Score: +1

Matt Reeves

as Director in Batman: The Brave And The Bold

Score: +1

Nathalie Emmanuel

as Katma Kui in Green Lantern: Emerald Knights

Score: +1