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 Greg Finley Tony Woodward, Girder Guest Star Teddy Sears Hunter Zolomon, Zoom Guest Star Violett Beane Jesse Wells Guest Star Michelle Harrison Nora Allen Guest Star Jason Mewes Humvee Guy Guest Star John Wesley Shipp Henry Allen Guest Star Greg Berlanti Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Sarah Schechter Executive Producer Kevin Smith Director Zack Stentz Writer