Grant Gustin
Barry Allen / The Flash (23 eps)
Danielle Panabaker
Dr. Caitlin Snow / Killer Frost (23 eps)
Carlos Valdes
Cisco Ramon / Vibe (23 eps)
Keiynan Lonsdale
Wally West / Kid Flash (23 eps)
Tom Cavanagh
Harrison 'H.R.' Wells (23 eps)
Jesse L. Martin
Joe West (23 eps)
Tom Felton
Dr. Julian Albert (23 eps)
Candice Patton
Iris West (23 eps)
Tobin Bell
Doctor Alchemy (voice) (uncredited) (13 eps)
Andre Tricoteux
Savitar (11 eps)
Jessica Camacho
Gypsy (6 eps)
John Wesley Shipp
Henry Allen (5 eps)
Anne Dudek
Tracy Brand (4 eps)
Wentworth Miller
Leonard Snart / Captain Cold (3 eps)
Sonia Beeksma
News Anchor (3 eps)
Todd Lasance
Edward Clariss / The Rival (3 eps)
Michelle Harrison
Nora Allen (3 eps)
Emily Bett Rickards
Felicity Smoak (2 eps)
Grey Damon
Sam Scudder / Mirror Master (2 eps)
Greg Grunberg
Tom Patterson (2 eps)
Alex Désert
Julio Mendez (2 eps)
Melissa Benoist
Kara Danvers / Supergirl (2 eps)
David Sobolov
Gorilla Grodd (voice) (2 eps)
Keith David
Solovar (voice) (2 eps)
Audrey Marie Anderson
Lyla Michaels (2 eps)
Victor Garber
Dr. Martin Stein (2 eps)
Blair Penner
Craig (2 eps)
Liam Hughes
Young Barry (2 eps)
Ashley Rickards
Rosalind Dillon / Top (2 eps)
Rick Cosnett
Eddie Thawne (1 eps)
Mark Hamill
James Jesse / The Trickster (1 eps)
Dominic Purcell
Mick Rory / Heat Wave (1 eps)
Nicholas Gonzalez
Dante Ramon (1 eps)
Franz Drameh
Jefferson 'Jax' Jackson / Firestorm (1 eps)
Joey King
Frankie Kane / Magenta (1 eps)
Christina Brucato
Lily Stein (1 eps)
Jerry Wasserman
President (1 eps)
Lisa MacFadden
Anne (1 eps)
Stephen Huszar
Jared Morillo / Plunder (1 eps)
Matthew Kevin Anderson
Clive Yorkin (1 eps)
Andrea Brooks
Eve Teschmacher (1 eps)
Paul Jarrett
General McNally (1 eps)
Darren Criss
Music Meister (1 eps)
Isaiah Lehtinen
Kid (1 eps)
Robbie Amell
Ronnie Raymond / Firestorm (1 eps)
Vanessa Williams
Francine West (1 eps)
Caity Lotz
Sara Lance / White Canary (1 eps)
David Harewood
J'onn J'onzz / Martian Manhunter (1 eps)
David Hayter
King Shark (voice) (1 eps)
Keri Adams
Bethany Snow (1 eps)
Michele de Broel
Barricade Cop (1 eps)
Lillian Doucet-Roche
Attractive Woman (1 eps)
Ian Farthing
CFO (1 eps)
Dimitry Tsoy
Uniformed Cop (1 eps)
David Forts
Patron (1 eps)
Peter Flemming
John James (1 eps)
Kathryn Dobbs
Karen Kane (1 eps)
Jonathan Maniraho
Maitre D' (1 eps)
Bethany McNab
Employee (1 eps)
Zenaida Telfair
Nurse (1 eps)
Dalias Blake
Tough #2 (1 eps)
Chad Riley
Foreman (1 eps)
Thomas Cadrot
Nigel (1 eps)
Briana Rayner
Receptionist (1 eps)
Devina Briggs
Child (1 eps)
Devielle Johnson
Task Force #1 (1 eps)
Ash Lee
Stock Broker (1 eps)
Mike McLeod
Shade (1 eps)
Willa Holland
Thea Queen / Speedy (1 eps)
Taylor St. Pierre
Acolyte (1 eps)
Donnelly Rhodes
Agent Smith (1 eps)
Linda Ko
NSA Official (1 eps)
Robin Atkin Downes
Dominator (voice) (1 eps)
Chantal Bui Viet
Danielle (1 eps)
Jason Hunt
Father (1 eps)
Ava Julien
Officer Kim (1 eps)
Brandy Le
Aircraft Marshaler (1 eps)
Olena Medwid
Olga (1 eps)
Tatiana Moldowan
Teenage Girl (1 eps)
Jason Bell
Uniformed Cop (1 eps)
Gui Fontanezzi
Arms Dealer (1 eps)
Rhianna Jagpal
2nd Cheerleader (1 eps)
Adam Kozlick
Gang Member (1 eps)
Bri Neal
Head Cheerleader (1 eps)
James Neate
Lazarus (1 eps)
Riley Jade
Joanie (1 eps)
Caitlin Stryker
Laura Stone (1 eps)
Arpad Balogh
Robber (1 eps)
Quinn Bui
Soldier (1 eps)
Keith Silverstein
Gorilla Vocal Effects (voice) (1 eps)
John Barrowman
Cutter Moran (1 eps)
Jeremy Jordan
Grady (1 eps)
Chris Wood
Mon-El / Tommy Moran (1 eps)
Gili Roskies
Patron (1 eps)
Nickolas Baric
Security Guard #1 (1 eps)
Bruce Crawford
Security Guard #2 (1 eps)
Makara Adkins
Another Woman (1 eps)
Kathryn Coutu
Woman (1 eps)
Jonathan Glasgow
Newscaster Kline (1 eps)
Carmela Sison
Nurse Beth (1 eps)
Richard Zeman
Lucius Coolidge / Heat Monger (1 eps)
Sasha Rojen
Young Iris (1 eps)
Austin Eckert
ARGUS Agent (1 eps)
Larry Hoe
Government Official (1 eps)
Sean Poague
Accelerated Man (1 eps)
Adam Bergquist
Randolf Morgan (1 eps)
Ken Camroux-Taylor
Judge Hankerson (1 eps)
David Dastmalchian
Philippe / Abra Kadabra (1 eps)
David Ramsey
John Diggle / Spartan (1 eps)
Stephen Amell
Oliver Queen / Green Arrow (1 eps)
Matt Letscher
Eobard Thawne / Reverse-Flash (1 eps)
Brandon Routh
Ray Palmer / The Atom (1 eps)
Susan Walters
Dr. Carla Tannhauser (1 eps)
Patrick Sabongui
David Singh (1 eps)