Suggestions by @scarletstudios

Ralph Fiennes

as Alfred Pennyworth in The Brave and the Bold

Carter Rockwood

as Robin IV in The Brave and the Bold

Alan Ritchson

as Batman in The Brave and the Bold

Alan Ritchson

as Batman in Superman: Legacy

Spoiler

as Green blur in Superman: Legacy

Stephen Lang

as General Sam Lane in Superman: Legacy

Jacob Elordi

as Nelson Nash in DCRU: Batman Beyond

Dave Bautista

as Bane in DC Rebirth Universe: The New Age (Phase One)

Dave Bautista

as Bane in DCRU: Batman Beyond

Chukwudi Iwuji

as Brainiac in Superman: Legacy

Léa Seydoux

as Mercy Graves in Superman: Legacy

Michael Fassbender

as Lex Luthor in Superman: Legacy

Jon Hamm

as Jor-El in Superman: Legacy

Dennis Haysbert

as Jonathan Kent in Superman: Legacy

Jodie Foster

as Martha Kent in Superman: Legacy

Bob Odenkirk

as Perry White in Superman: Legacy

Naomi Scott

as Lois Lane in Superman: Legacy

Noah Schnapp

as Jimmy Olsen in Superman: Legacy

David Corenswet

as Superman in Superman: Legacy

Jason Isaacs

as Blight in DCRU: Batman Beyond