Barry Allen/The Flash
Grant Gustin
Iris West-Allen
Candice Patton
Iris West
Candice Patton
Caitlin Snow
Danielle Panabaker
Cisco Ramon/Vibe
Carlos Valdes
Detective Joe West
Jesse L. Martin
Ralph Dibny / Elongated Man
Hartley Sawyer
Dr. Harrison Wells
Tom Cavanagh
Cecile Horton
Danielle Nicolet
Harrison 'Harry' Wells / Harrison 'H.R.' Wells / Harrison Wells
Tom Cavanagh
Mar Novu /The Monitor
LaMonica Garrett
Chester P. Runk
Brandon McKnight
Guest Star
Danny Trejo
Black Lightning
Cress Williams
Millie Rawlins / Sunshine
Natalie Sharp
Rag Doll
Troy James
Gorilla Grodd (voice)
David Sobolov
Amunet Black / Blacksmith
Katee Sackhoff
Dr. Ramsey Rosso / Bloodwork
Sendhil Ramamurthy
Sue Dearbon
Natalie Dreyfuss
Eva McCulloch / Mirror Monarch
Efrat Dor
Hartley Rathaway / Pied Piper
Andy Mientus
Allegra Garcia / Maya
Kayla Compton
Wally West / Kid Flash
Keiynan Lonsdale
David Singh / Chief David Singh / Mirror Chief David Singh
Patrick Sabongui
Henry Allen / Jay Garrick / The Flash
John Wesley Shipp
Solovar
Keith David
Carver
Eric Nenninger
Ryan Choi
Osric Chau
Kamilla Hwang / Mirror Kamilla Hwang
Victoria Park
Oliver Queen / Green Arrow / Dark Arrow
Stephen Amell
Godspeed
Ryan Handley
John Diggle / Spartan
David Ramsey
Officer Daisy Korber / Captain Daisy Korber / Uni #1
Stephanie Izsak
Nora West-Allen / XS / Mystery Girl
Jessica Parker Kennedy
Eddie Thawne / Dr. Malcolm Gilmore / Cobalt Blue
Rick Cosnett
Gat
Neil Webb
Nora Allen / Speed Force Nora / Joan Williams
Michelle Harrison
Mark Blaine / Chillblaine
Jon Cor
Dr. Julian Albert
Tom Felton
Jay Garrick / The Flash / Hunter Zolomon
Teddy Sears
Jesse Wells / Jesse Quick
Violett Beane
Kristen Kramer
Carmen Moore
Zoom (voice)
Tony Todd
Orlin Dwyer / Cicada
Chris Klein
Marlize DeVoe / The Mechanic
Kim Engelbrecht
Leonard Snart / Captain Cold / Leo Snart
Wentworth Miller
Doctor Alchemy / Savitar (voice)
Tobin Bell
Ronnie Raymond / Firestorm / Death Storm
Robbie Amell
Clifford DeVoe / The Thinker
Neil Sandilands
Deon Owens / Negative Deon Owens
Christian Magby
Dr. Martin Stein / Digsy's Husband / Prof. Martin Stein (voice)
Victor Garber
Savitar / Carl Bork
Andre Tricoteux
Patty Spivot
Shantel VanSanten
Gypsy
Jessica Camacho
Young Barry Allen
Logan Williams
Eobard Thawne / Reverse-Flash
Matt Letscher
Esperanza Garcia / Ultraviolet
Alexa Barajas
Taylor Downs
Rachel Drance
Felicity Smoak
Emily Bett Rickards
Grace Gibbons
Islie Hirvonen
Norvock
Mark Wynn
Linda Park / Dr. Light
Melise
Dr. Vanessa Ambres
Lossen Chambers
Mick Rory / Heat Wave / Mick Rory (voice)
Dominic Purcell
Dr. Tina McGee
Amanda Pays
Francine West
Vanessa Williams
Grace Gibbons / Cicada
Sarah Carter
Reporter / News Reporter / KPJT Reporter
Sonia Beeksma
Officer Jones
Klarc Wilson
Keith / Goldface
Damion Poitier
Dr. Carla Tannhauser
Susan Walters
Aariz Mousa
Shayan Bayat
Rosalind Dillon / Top
Ashley Rickards
Bart Allen / Impulse
Jordan Fisher
Alexa Rivera / Fuerza / Negative Alexa Rivera
Sara Garcia
Bashir Malik / Psych / Negative Bashir Malik
Ennis Esmer
Mark Mardon / Weather Wizard
Liam McIntyre
Trevor Shinick / Corrections Officer
Everick Golding
Kara Danvers / Supergirl / Overgirl
Melissa Benoist
Lyla Michaels / Harbinger
Audrey Marie Anderson
Dr. Sharon Finkel
Donna Pescow
Jaco Birch / The Hotness
Max Adler
Judge Hankerson
Ken Camroux
Ray Palmer / The Atom / Clark Kent
Brandon Routh
Natalie
Tess Atkins
Sterling Brooks / Robber
Eduard Witzke
Marco / Marco the Barista / Barista Jason
Alexander Moonie
Ryan Wilder / Red Death / Batwoman
Javicia Leslie
Tinya Wazzo
Mika Abdalla
Arielle Atkins
Jessica Hayles
Owen Mercer / Captain Boomerang
Richard Harmon
Director
Stefan Pleszczynski
Director
Chad Lowe
Director
Rachel Talalay
Director
Jeff Byrd
Director
Ralph Hemecker
Director
Amanda Tapping
Director
Michael Nankin
Director
Menhaj Huda
Director
Jesse Warn
Director
Sudz Sutherland
Director
Danielle Panabaker
Director
Brent Crowell
Director
Marcus Stokes
Director
Gregory Smith
Director
Dermott Downs