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 John Churchill Gen. Ulysses S. Grant Guest Star Dean S. Jagger Daniel Collins Guest Star Alex Barima Abraham Guest Star Warren Belle Henry Scott Guest Star Tintswalo Khumbuza Mary Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer, Writer Andrew Kreisberg Executive Producer Phil Klemmer Executive Producer Chris Fedak Executive Producer Sarah Schechter Executive Producer Michael A. Allowitz Director Ray Utarnachitt Writer