Grant Gustin Barry Allen, The Flash Actor Candice Patton Iris West Actor Danielle Panabaker Caitlin Snow Actor Danielle Nicolet Cecile Actor Kayla Compton Allegra Garcia Actor Brandon McKnight Chester P. Runk Actor Jon Cor Mark Blaine Actor Greg Berlanti Executive Producer Sarah Schechter Executive Producer Eric Wallace Executive Producer, Writer Sam Chalsen Executive Producer Jonathan Butler Executive Producer Vanessa Parise Director Thomas Pound Writer Sarah Tarkoff Writer