Grant Gustin Barry Allen, The Flash Actor Candice Patton Iris West Actor Rick Cosnett Eddie Thawne 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 Robbie Amell Ronnie Raymond , Firestorm Guest Star Matt Letscher Eobard Thawne, Reverse-Flash Guest Star Wentworth Miller Leonard Snart, Captain Cold Guest Star John Wesley Shipp Henry Allen Guest Star Greg Berlanti Executive Producer Andrew Kreisberg Executive Producer, Writer David Nutter Executive Producer Sarah Schechter Executive Producer Dermott Downs Director Gabrielle G. Stanton Writer