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 Stephen Amell Oliver Queen, The Arrow Guest Star Wentworth Miller Leonard Snart, Captain Cold Guest Star Robbie Amell Ronnie Raymond, Firestorm Guest Star Liam McIntyre Mark Mardon, Weather Wizard Guest Star Doug Jones Jake Simmons, Deathbolt Guest Star Paul Anthony Roy G. Bivolo, Rainbow Raider Actor Anthony Carrigan Kyle Nimbus, The Mist Actor Peyton List Lisa Snart, Golden Glider Actor Greg Berlanti Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Sarah Schechter Executive Producer Douglas Aarniokoski Director Aaron Helbing Writer Todd Helbing Writer