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, Director Jesse L. Martin Detective Joe West Actor Keiynan Lonsdale Wally West, Kid Flash Actor Danny Trejo Breacher Guest Star Jessica Camacho Gypsy Guest Star Hartley Sawyer Ralph Dibny Guest Star Greg Berlanti Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Sarah Schechter Executive Producer Sterling Gates Writer Thomas Pound Writer