Suggestions by @user_48361

Candice Patton

as Iris West Allan in Team Flash(story removed)

Score: +1

Suki Waterhouse

as Rainbow Runner in Team Flash(story removed)

Score: +1

Luke Mitchell

as The Flash in Team Flash(story removed)

Score: +1

Kevin Costner

as Pa Kent in the Superman Family(story private)

Score: +1

George Clooney

as Pa Kent in the Superman Family(story private)

Score: -1

Diane Lane

as Ma Kent in the Superman Family(story private)

Score: +1

Laura Linney

as Ma Kent in the Superman Family(story private)

Score: +1

Lance Gross

as Steel in the Superman Family(story private)

Score: +1

Joshua Orpin

as Superboy in the Superman Family(story private)

Score: +1

Emjay Anthony

as Jon Samuel Kent in the Superman Family(story private)

Score: +1

Marsai Martin

as Power Girl in the Superman Family(story private)

Score: +1

Taylor John Smith

as Zenith in the Superman Family(story private)

Score: +1

Marsai Martin

as Tanya Spears in the Superman Family(story private)

Score: +1

Leah McNamara

as Power Girl in the Superman Family(story private)

Score: +1

John Boyega

as Batwing in Gotham Knights(story private)

Score: +1

Thomas Mann

as Jimmy Olson in the Superman Family(story private)

Score: +1

Mark Strong

as Lex Luthor in the Superman Family(story private)

Score: +1

Yvonne Strahovski

as Lady Blackhawk in Birds of Prey(story private)

Score: +1

Sophie Skelton

as Nightingale in Birds of Prey(story private)

Score: +1

Kylie Bunbury

as Huntress in Birds of Prey(story private)

Score: +1