Invasion! (Arrowverse)

"The cross-over begins in the final scene of this episode. For quotes, see here."

"Stephen Amell - Oliver Queen / Green Arrow"

"Grant Gustin - Barry Allen / The Flash"

"Melissa Benoist - Kara Zor-El / Kara Danvers / Supergirl"

"Caity Lotz - Sara Lance / White Canary"

"Dominic Purcell - Mick Rory / Heatwave"

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

"Nick Zano - Nathan Heywood / Steel"

"Maisie Richardson-Sellers - Amaya Jiwe / Vixen"

"Emily Bett Rickards - Felicity Smoak"

"David Ramsey - John Diggle / Spartan"

"Carlos Valdes - Cisco Ramon"

"Willa Holland - Thea Queen / Speedy"

"Audrey Marie Anderson - Lyla Michaels"

"Jesse L. Martin - Joe West"

"Candice Patton - Iris West"

"Tom Cavanagh - H.R. Wells"

"Keiynan Lonsdale – Wally West"

"Echo Kellum - Curtis Holt / Mr. Terrific"

"Rick Gonzalez - Rene Ramirez / Wild Dog"