Stellar lineup of talents voice DC heroes in Part One of trilogy
Justice League: Crisis on Infinite Earths - Part 1 is a superhero animated film directed by Chris Palmer and Jeff Wamester for DC Studios. It serves as the eighth feature-length film in the animated Tomorrowverse shared universe series. Previous entries include 2020's Superman: Man of Tomorrow, 2021's Justice Society: World War II, Batman: The Long Halloween - Part One and Part Two. 2022's Green Lantern: Beware My Power and 2023's Legion of Super-Heroes and Justice League: Warworld. Justice League: Crisis on Infinite Earths - Part 1 is the first part of a trilogy which concludes the Tomorrowverse universe. Palmer previously directed the series' initial entry with Superman: Man of Tomorrow while Wamester has helmed a number of titles including Green Lantern: Beware My Power and Justice League: Warworld.
Justice League: Crisis on Infinite Earths - Part 1 features a number of actors featured throughout the Tomorrowverse, most notably Darren Criss as Superman from Earth-1 and Earth-2, Stana Katic as Wonder Woman/Superwoman and Matt Bomer as The Flash. The Boys' Jensen Ackles portrays Batman. Ike Amadi voices Martian Manhunter/Amazing Man/Ivo, Jimmi Simpson is Green Arrow with Meg Donnelly as Supergirl/Harbinger. Zachary Quinto and Alexandra Daddario reprise their roles from Superman: Man of Tomorrow as Lex Luthor and Lois Lane, respectively.
The rest of the voice cast includes Harry Shum Jr. as Brainiac 5, Aldis Hodge as John Stewart/Power Ring, Ashleigh LaThrop as Iris West, Alastair Duncan as Alfred Pennyworth, Cynthia Hamidi as Dawnstar, Liam Mcintyre as Aquaman/Johnny Quick, Jonathan Adams as Monitor, Geoffrey Arend as Psycho Pirate/Hawkman, Zack Callison as Robin, Matt Lanter as Blue Beetle/Ultraman, Ato Essando as Mr. Terrific, Erika Ishii as Doctor Light/Dr. Hoshi/Huntress, David Kaye as The Question, Nolan North as Hal Jordan/A.M.A.Z.O./Homeless Man, Lou Diamond Phillips as The Spectre/Owlman and Keesha Sharp as Vixen.