Grant Gustin Barry Allen, The Flash Actor Candice Patton Iris West Actor Danielle Panabaker Caitlin Snow Actor Carlos Valdes Cisco Ramon, Vibe Actor Tom Cavanagh Dr. Harrison Wells Actor Jesse L. Martin Detective Joe West Actor Edge Al Rothstein, Atom-Smasher Guest Star John Wesley Shipp Henry Allen Guest Star Victor Garber Dr. Martin Stein Guest Star Robbie Amell Ronnie Raymond, Firestorm Guest Star Rick Cosnett Detective Eddie Thawne Guest Star Dominic Purcell Mick Rory, Heat Wave Guest Star Wentworth Miller Leonard Snart, Captain Cold Guest Star Teddy Sears Jay Garrick Guest Star Greg Berlanti Executive Producer, Writer Andrew Kreisberg Executive Producer, Writer David Nutter Executive Producer Sarah Schechter Executive Producer Ralph Hemecker Director Gabrielle G. Stanton Writer