Brandon Routh Ray Palmer, Atom Actor Dominic Purcell Mick Rory, Heat Wave Actor Caity Lotz Sara Lance, White Canary Actor Nick Zano Dr. Nate Heywood, Citizen Steel Actor Maisie Richardson-Sellers Charlie Actor Tala Ashe Zari Adrianna Tomaz Actor Amy Louise Pemberton Gideon Voice Jes Macallan Ava Sharpe Actor Matt Ryan John Constantine Actor Courtney Ford Nora Darhk Actor Ramona Young Mona Actor Tom Wilson Hank Heywood Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer Phil Klemmer Executive Producer, Writer Chris Fedak Executive Producer Sarah Schechter Executive Producer Dean Choe Director Matthew Maala Writer