Suggestions by @keiranbatkin2

Katherine McNamara

as Star Saphire in The Lanterns

Nick Robinson

as Green Lantern in The Lanterns

Michael Rosenbaum

as The Saint in M.O.D.O.K: Multiverse of M.O.D.O.K

Tom Welling

as Gerlach in M.O.D.O.K: Multiverse of M.O.D.O.K

Tom Welling

as Chairman in M.O.D.O.K: Multiverse of M.O.D.O.K

Tom Welling

as M.O.D.O.C. (Good Variant of M.O.D.O.K.) in M.O.D.O.K: Multiverse of M.O.D.O.K

Tom Welling

as Damocles Rivas in M.O.D.O.K: Multiverse of M.O.D.O.K

Tom Welling

as Scientist Supreme in M.O.D.O.K: Multiverse of M.O.D.O.K

Tom Welling

as M.O.D.O.F. (I don't even know what this is) in M.O.D.O.K: Multiverse of M.O.D.O.K

Jason Maybaum

as Damian Wayne in Batman

Jaimie Alexander

as Cat-Woman in Batman

Danielle Rose Russell

as Batgirl in Batman

Kennedy McMann

as Batgirl in Batman

Nicholas Hamilton

as Redhood in Batman

Jaeden Martell

as Robin in Batman

Sienna Miller

as Vickie Vale in Batman

Tanner Buchanan

as Nightwing in Batman

Timothy Olyphant

as Jim Gordan in Batman

John Cleese

as Alfred Pennyworth in Batman

Matt Lanter

as Batman in Batman