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 Victor Garber Dr. Martin Stein Guest Star Michael Ironside Lewis Snart Guest Star Wentworth Miller Leonard Snart, Captain Cold Guest Star Peyton List Lisa Snart, Golden Glider Guest Star Greg Berlanti Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Sarah Schechter Executive Producer John Showalter Director Katherine Walczak Writer Julian Meiojas Writer