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 Keiynan Lonsdale Wally West, Kid Flash Actor Audrey Marie Anderson Lyla Michaels Guest Star David Ramsey John Diggle Guest Star Violett Beane Violett Beane Guest Star Teddy Sears Jay Garrick, Zoom Guest Star David Hayter King Shark Guest Voice Greg Berlanti Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Sarah Schechter Executive Producer Hanelle M. Culpepper Director Benjamin Raab Writer Deric A. Hughes Writer