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 Hartley Sawyer Ralph Dibny Actor Danielle Nicolet Cecile Actor Troy James Rag Doll Guest Star Patrick Sabongui Singh Guest Star Eric Nenninger Carver Guest Star Natalie Dreyfuss Sue Guest Star Efrat Dor Eva Guest Star Greg Berlanti Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Sarah Schechter Executive Producer Alexandra La Roche Director Kristen Kim Writer Thomas Pound Writer