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 Paul Blackthorne Quentin Lance Guest Star Martin Donovan Zaman Druce Guest Star Stephen Amell Oliver Queen, Green Arrow Guest Star Alex Duncan Miranda Coburn Guest Star Peter Bryant Declan Guest Star Casper Crump Vandal Savage Guest Star Isabella Hofmann Clarissa Stein Guest Star Joseph David Jones Green Arrow Guest Star Nikolai Witschl Caleb Guest Star Kiefer O'Reilly Jonas 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, Writer Sarah Schechter Executive Producer Dermott Downs Director Gregory Smith Director Glen Winter Director Sarah Nicole Jones Writer Anderson MacKenzie Writer Beth Schwartz Writer Grainne Godfree Writer Cortney Norris Writer Ray Utarnachitt Writer