Suggestions by @joshuafourie

Xolo Maridueña

as Blue Beetle lll in Justice League International

Anthony Carrigan

as Metamorpho in Justice League International

Nathan Fillion

as Guy Gardner in Justice League International

Sean Gunn

as Maxwell Lord in Justice League International

Amarr Wooten

as Batwing in Bat-family

Kristen Stewart

as Batwoman in Bat-family

Sabrina Carpenter

as Spoiler in Bat-family

Dog

as Ace the Bat-Hound in Bat-family

Joshua Bassett

as Red Robin in Bat-family

Chosen Jacobs

as Signal in Bat-family

Hailee Steinfeld

as Batgirl in Bat-family

Javon Walton

as Robin in Bat-family

Jacob Elordi

as Red Hood in Bat-family

Wolfgang Novogratz

as Nightwing in Bat-family

Sean Pertwee

as Alfred in Bat-family

Ana de Armas

as Catwoman in Bat-family

Alan Ritchson

as BATMAN in Bat-family

Milly Alcock

as Kara Zor El in Justice League

Katie Cassidy

as Bleez in Green Lantern TV series

Odette Annable

as Bleez in Green Lantern TV series