Grant Gustin Barry Allen, The Flash Actor Candice Patton Iris West Actor Rick Cosnett Eddie Thawne 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 Victor Garber Dr. Martin Stein Actor John Wesley Shipp Henry Allen Guest Star Melise Linda Park Guest Star Andy Mientus Hartley Rathaway, Pied Piper Guest Star Britne Oldford Shawna Baez, Peek-a-Boo Guest Star Micah Parker Clay Parker Guest Star Greg Berlanti Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Sarah Schechter Executive Producer Rob Hardy Director Aaron Helbing Writer Todd Helbing Writer