Crisis on Earth-X

"Melissa Benoist – Kara Zor-El / Kara Danvers / Supergirl & Kara Zor-El / Overgirl"

"Chyler Leigh – Alex Danvers"

"Jeremy Jordan – General Winn Schott of Earth-X"

"Mehcad Brooks – Guardian of Earth-X"

"Chris Wood – Mon-El"

"David Harewood – J'onn J'onzz / Martian Manhunter"

"Stephen Amell – Oliver Queen / Green Arrow & Oliver Queen / Dark Arrow"

"Emily Bett Rickards – Felicity Smoak"

"Echo Kellum – Curtis Holt / Mister Terrific"

"Rick Gonzalez – Rene Ramirez / Wild Dog"

"Juliana Harkavy – Dinah Drake / Black Canary"

"David Ramsey – John Diggle / Spartan"

"Paul Blackthorne – Quentin Lance"

"Grant Gustin – Barry Allen / The Flash"

"Candice Patton – Iris West"

"Danielle Panabaker – Caitlin Snow / Killer Frost"

"Carlos Valdes – Cisco Ramon / Vibe"

"Jesse L. Martin – Det. Joe West"

"Tom Cavanagh – Harry Wells & Eobard Thawne / Reverse-Flash"

"Keiynan Lonsdale – Wally West / Kid Flash"

"Caity Lotz – Sara Lance / White Canary"

"Victor Garber – Dr. Martin Stein / Firestorm"

"Franz Drameh – Jefferson "Jax" Jackson / Firestorm"

"Dominic Purcell – Mick Rory / Heatwave"

"Brandon Routh – Ray Palmer / Atom"

"Maisie Richardson-Sellers – Amaya Jiwe / Vixen"

"Tala Ashe – Zari Tomaz"

"Nick Zano – Nate Heywood / Steel"

"Wentworth Miller – Leo Snart / Citizen Cold"

"Russell Tovey – Ray Terrill / The Ray"

"Christina Brucato – Lily Stein"

"Isabella Hofmann – Clarissa Stein"

"Colin Donnell – Tommy Merlyn / Prometheus"

"Frederick Schmidt – Metallo (voice only)"