Suggestions by @sir_pandaborg

Sam Neill

as Alfred Pennyworth in DCU Complete Casting(story private)

Score: +1

Will Patton

as Jonathan Kent in DCU Complete Casting(story private)

Score: +1

Jamie Lee Curtis

as Martha Kent in DCU Complete Casting(story private)

Score: +1

Colman Domingo

as Lucius Fox in DCU Complete Casting(story private)

Score: +1

Ethan Hawke

as Jim Gordon in DCU Complete Casting(story private)

Score: +1

Scott Evans

as Negative Man in DCU Complete Casting(story private)

Score: +1

Emma Mackey

as Dove in DCU Complete Casting(story private)

Score: +1

Connor Swindells

as Hawk in DCU Complete Casting(story private)

Score: +1

Matt Dillon

as Plastic Man in DCU Complete Casting(story private)

Score: +1

Cameron Crovetti

as Robin in DCU Complete Casting(story private)

Score: +1

Jacob Bertrand

as Beast Boy in DCU Complete Casting(story private)

Score: +1

Ella Balinska

as Starfire in DCU Complete Casting(story private)

Score: +1

Caleb McLaughlin

as Static in DCU Complete Casting(story private)

Score: +1

Jason Maybaum

as SHAZAM in DCU Complete Casting(story private)

Score: +1

Eli Goree

as Cyborg in DCU Complete Casting(story private)

Score: +1

Anthony Carrigan

as Metamorpho in DCU Complete Casting(story private)

Score: +1

Algee Smith

as Firestorm in DCU Complete Casting(story private)

Score: +1

Richard Madden

as Etrigan the Demon in DCU Complete Casting(story private)

Score: +1

Alexander Ludwig

as Aquaman in DCU Complete Casting(story private)

Score: +1

Nicholas Hoult

as Doctor Fate in DCU Complete Casting(story private)

Score: +1