Victor Garber Professor Stein, Half of Firestorm Actor Brandon Routh Ray Palmer, Atom Actor Arthur Darvill Rip Hunter Actor Dominic Purcell Mick Rory, Heat Wave Actor Nick Zano Dr. Nate Heywood, Citizen Steel Actor Caity Lotz Sara Lance, White Canary Actor Franz Drameh Jefferson "Jax" Jackson, Half of Firestorm Actor Matt Letscher Eobard Thawne, Reverse-Flash Actor Maisie Richardson-Sellers Amaya Jiwe, Vixen Actor Amy Louise Pemberton Gideon Voice Neal McDonough Damien Darhk Guest Star John Barrowman Malcom Merlyn Guest Star Christina Brucato Lily Stein Guest Star Randall Batinkoff Gen. George Washington Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer, Writer Andrew Kreisberg Executive Producer Phil Klemmer Executive Producer, Writer Chris Fedak Executive Producer Sarah Schechter Executive Producer Eric Laneuville Director