Suggestions by @fionnoconnor402

Martin Freeman

as Voice of the Swamp Thing in Justice League: The Extremists (2025)

Liam Neeson

as Dr. Fate in Justice League: The Extremists (2025)

David Tennant

as John Constantine in Justice League: The Extremists (2025)

January Jones

as Killer Frost in Justice League: The Extremists (2025)

Zoë Kravitz

as Batgirl in Justice League: The Extremists (2025)

Thomas Brodie-Sangster

as The Ray in Justice League: The Extremists (2025)

Jeffrey Dean Morgan

as Lobo in Justice League: The Extremists (2025)

Renata Vaca

as Jessica Cruz in Justice League: The Extremists (2025)

Kyle Gallner

as Speedy in Justice League: The Extremists (2025)

Lupita Nyong'o

as Vixen in Justice League: The Extremists (2025)

Emmy Rossum

as Wonder Girl in Justice League: The Extremists (2025)

Yvonne Strahovski

as Supergirl in Justice League: The Extremists (2025)

Monica Barbaro

as The Huntress in Justice League: The Extremists (2025)

Sam Claflin

as Nightwing in Justice League: The Extremists (2025)

Dev Patel

as The Red Tornado in Justice League: The Extremists (2025)

Robbie Amell

as Superboy in Justice League: The Extremists (2025)

John Cho

as The Atom in Justice League: The Extremists (2025)

FAKE

as Doctor Light in Justice League: The Extremists (2025)

Jesse Plemons

as Guy Gardner in Justice League: The Extremists (2025)

LaKeith Stanfield

as John Stewart in Justice League: The Extremists (2025)