Suggestions by @dcfan239

Benjamin Bratt

as Slade Wilson in The DC Television Universe (Earth-239)

Score: +1

Mary Mouser

as Barbara Gordon in The DC Television Universe (Earth-239)

Score: +1

Jake McDorman

as Bartholomew "Barry" Allen in The DC Television Universe (Earth-239)

Score: +1

Adam Brody

as Clark Kent/Kal-El in The DC Television Universe (Earth-239)

Score: +1

Sterling K. Brown

as Alexander "Lex" Luthor in The DC Television Universe (Earth-239)

Score: +1

Oded Fehr

as Ra's al Ghul in The DC Television Universe (Earth-239)

Score: +1

Avan Jogia

as Richard "Dick" Grayson in The DC Television Universe (Earth-239)

Score: +1

Tanner Buchanan

as Jason Todd in The DC Television Universe (Earth-239)

Score: +1

Owen Vaccaro

as Timothy Drake in The DC Television Universe (Earth-239)

Score: +1

Ian Bohen

as Bruce Wayne in The DC Television Universe (Earth-239)

Score: +1

Andrew Scott

as The Joker in The DC Television Universe (Earth-239)

Score: +1

Jacqueline Scislowski

as Kara Zor-El/Kara Kent in The DC Television Universe (Earth-239)

Score: +1

Mckenna Grace

as Stephanie Brown in The DC Television Universe (Earth-239)

Score: +1

Terrence Hardiman

as Alfred Pennyworth in Nightwing

Score: +1

Owen Vaccaro

as Timothy "Tim" Drake in Nightwing

Score: +1

Avan Jogia

as Richard "Dick" Grayson in Nightwing

Score: +1

Zoey Deutch

as Barbara "Babs" Gordon in Nightwing

Score: +1

Benjamin Bratt

as Slade "The Terminator" Wilson in Nightwing

Score: +1