Suggestions by @popculturenerd

Matthew McConaughey

as Reverse-Flash in The DC Extended Multiverse

Jude Law

as Brainiac in The DC Extended Multiverse

Courtney B. Vance

as Commissioner Joe West in The DC Extended Multiverse

Kurt Russell

as Dexter Telliver in The DC Extended Multiverse

Alex Meraz

as Navy SEAL Gomez in The DC Extended Multiverse

Corina Calderon

as Grace Santana in The DC Extended Multiverse

Eddie Marsan

as Dr. Van Criss in The DC Extended Multiverse

Alain Chanoine

as Incubus in The DC Extended Multiverse

Omar Doom

as Jonny Frost in The DC Extended Multiverse

Common

as Monster T in The DC Extended Multiverse

Ike Barinholtz

as Captain Keith Griggs in The DC Extended Multiverse

Kobna Holdbrook-Smith

as Detective Crispus Allen in The DC Extended Multiverse

Stephen Dorff

as Detective Arnold Flass in The DC Extended Multiverse

Robert Redford

as The President of the United States in The DC Extended Multiverse

Lynda Carter

as Vice-President Olivia Marsdin in The DC Extended Multiverse

Spencer List

as young Kenny Braverman in The DC Extended Multiverse

Nick Thune

as Kenny Braverman in The DC Extended Multiverse

Sabrina Carpenter

as young Lana Lang in The DC Extended Multiverse

Isla Fisher

as Lana Lang in The DC Extended Multiverse

Chad Michael Murray

as Pete Ross in The DC Extended Multiverse