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 Tom Felton Julian Albert Actor John Wesley Shipp Jay Garrick, The Flash Guest Star Nicholas Gonzalez Dante Ramon Guest Star Mark Hamill James Jesse, The Trickster Guest Star Greg Berlanti Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Sarah Schechter Executive Producer Rachel Talalay Director Aaron Helbing Writer Todd Helbing Writer Lauren Certo Writer