Suggestions by @cartoonmultiverse

Dave Fennoy

as J’onn J’onzz/Martian Manhunter in Justice League: The Age of Darkseid

Ashleigh Ball

as Zatanna in Justice League: The Age of Darkseid

Ralph Fiennes

as Alfred Pennyworth in Justice League: The Age of Darkseid

Jack De Sena

as Barry Allen/The Flash in Justice League: The Age of Darkseid

Josh Keaton

as Hal Jordon/Green Lantern in Justice League: The Age of Darkseid

Tara Strong

as Diana Prince/Wonder Woman in Justice League: The Age of Darkseid

Yuri Lowenthal

as Clark Kent/Superman in Justice League: The Age of Darkseid

Roger Craig Smith

as Bruce Wayne/Batman in Justice League: The Age of Darkseid

Josh Keaton

as Hal Jordon/Green Lantern in The Trinity

Steven Yeun

as Barry Allen/The Flash in The Trinity

Kari Wahlgren

as Sue Dibny/Nee Dearbon (Flashback/Vision/died) in The Trinity

Steve Blum

as Ralph Dibny/Elongated Man in The Trinity

Mark Oliver

as Arthur Light/Doctor Light in The Trinity

Tabitha St. Germain

as Big Barda in The Trinity

Mae Whitman

as Barbara Gordon/Batgirl in The Trinity

Zach Tyler Eisen

as Tim Drake/Robin in The Trinity

Tara Platt

as Lois Lane in The Trinity

Drake Bell

as Jimmy Olsen in The Trinity

Keith David

as Perry White in The Trinity

Vincent Tong

as Steve Trevor in The Trinity