Victor Garber Professor Stein, Half of Firestorm Actor Brandon Routh Ray Palmer, Atom Actor Arthur Darvill Rip Hunter Actor Wentworth Miller Leonard Snart, Captain Cold Actor Dominic Purcell Mick Rory, Heat Wave Actor Caity Lotz Sara Lance, White Canary Actor Franz Drameh Jefferson "Jax" Jackson, Half of Firestorm Actor Ciara Renée Kendra Saunders, Hawkgirl Actor Amy Louise Pemberton Gideon Voice Falk Hentschel Carter Hall, Hawkman Guest Star Neal McDonough Damien Darhk Guest Star Casper Crump Vandal Savage Guest Star Graeme McComb Young Martin Stein Guest Star Nikolai Witschl Caleb Guest Star Greg Berlanti Executive Producer, Writer Marc Guggenheim Executive Producer, Writer Andrew Kreisberg Executive Producer, Writer Phil Klemmer Executive Producer, Writer Chris Fedak Executive Producer Sarah Schechter Executive Producer Glen Winter Director