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 Graeme McComb Young Martin Stein Guest Star Emily Tennant Young Clarissa Stein Guest Star Lance Henriksen Todd Rice, Obsidian Guest Star Dimitri Vantis Boris Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer Phil Klemmer Executive Producer Chris Fedak Executive Producer Sarah Schechter Executive Producer David Geddes Director Keto Shimizu Writer Grainne Godfree Writer