Professor Stein/Half of Firestorm

Victor Garber

Leonard Snart

Wentworth Miller

Ray Palmer/Atom

Brandon Routh

Sara Lance / White Canary

Caity Lotz

Rip Hunter

Arthur Darvill

Gideon (voice) / Gideon / Evil Gideon

Amy Louise Pemberton

Mick Rory / Heat Wave

Dominic Purcell

Nathaniel 'Nate' Heywood / Steel

Nick Zano

Zari Tarazi / Zari Tomaz

Tala Ashe

Kendra Saunders

Ciara Renee

Jefferson "Jax" Jackson/Half of Firestorm

Franz Drameh

Ava Sharpe

Jes Macallan

Vandal Savage

Casper Crump

Amaya Jiwe / Vixen / Charlie

Maisie Richardson-Sellers

John Constantine / Dr. Gwyn Davies

Matt Ryan

Johan Hex

Johnathon Schaech

Rex Tyler/Hourman

Patrick J. Adams

Carter Hall

Falk Hentschel

Ra's al Ghul

Matt Nable

Cisco Ramon

Carlos Valdes

Capt. Jon Valor

Callum Keith Rennie

Dr. Valentia Vostok

Stephanie Corneliussen

Mr. Gates

Devin Mackenzie

Older Kendra

Anna Deavere Smith

Quentin Lance

Paul Blackthorne

Oliver Queen/Green Arrow

Stephen Amell

Lindsey Carlisle

Ali Liebert

Gary Green

Adam Tsekhman

Young Lewis Snart

Jason Beaudoin

Damien Darhk

Neal McDonough

Connor Hawke/Green Arrow

Joseph David-Jones

The Pilgrim

Faye Kingslee

Per Degaton

Cory Gruter-Andrew

Esperanza 'Spooner' Cruz

Lisseth Chavez

Mr. Blake

Cameron Bancroft

Mikhail Arkadin

Voytek Skrzeta

Grant Wilson/Deathstroke

Jamie Andrew Cutler

Astra Logue

Olivia Swann

Declan

Peter Bryant

Sarah Neal

Anna Galvin

Laurel Lance

Katie Cassidy

Zaman Druce

Martin Donovan

Elderly man

Robert Hewko

Tor Degaton

Matthew Harrison

Betty Seaver

Melissa Roxburgh

Cassandra Savage

Jessica Sipos

Rebel Leader

Sharon Taylor

Andre

Ryan Jefferson Booth

Elderly woman

Nancy Bell

Aldus Boardman

Joshua Jorssen

Sheriff Bud Ellison

Daryl Shuttleworth

Capt. Eve Baxter

Stephanie Cleough

Mary Xavier

Celia Imrie

Jeb Stillwater

Brent Stait

Young Martin Stein

Graeme McComb

Leo Snart

Trestyn Zradicka

Dr. Aldus Boardman

Peter Francis James

Gail Knox

Laura Mennell

Bertie

Glen Gordon

James Jackson

Eli Goree

Beverly Jackson

Stacie Greenwell

Yuri the Bear

Nick Gracer

Clarissa Stein

Isabella Hofmann

Talia

Milli Wilkinson

Caleb

Nikolai Witschl

Lt. Drake

Aatash Amir

Kaylex Druzan

Ray Boulay

Miranda Coburn

Alex Duncan

Tommy Fuller

Levi Meaden

Jonas

Kiefer O'Reilly

Behrad Tarazi

Shayan Sobhian

Nora Darhk / Marie Antoinette / Nora Darhk (voice)

Courtney Ford

Mona Wu

Ramona Young

Greg Berlanti

Eobard Thawne / Reverse-Flash

Matt Letscher

Bishop / Younger Bishop / Bishop Clone

Raffi Barsoumian

Wally West / Kid Flash

Keiynan Lonsdale

Henry 'Hank' Heywood

Thomas F. Wilson

Lita

Mina Sundwall

Kuasa

Tracy Ifeachor

Mallus (voice) / John Noble / Mallus

John Noble

Desmond / Neron

Christian Keyes

Lily Stein

Christina Brucato

Wolfie

Sisa Grey

Lachesis

Sarah Strange

Malcolm Merlyn

John Barrowman

Henry Heywood / Commander Steel

Matthew MacCaull

Chronos (voice)

Steve Blum

Kayla

Aliyah O'Brien

Atropos

Joanna Vanderham

Dybbuk (voice)

Paul Reubens

Fairy Godmother

Jane Carr

J. Edgar Hoover Bot / J. Edgar Hoover

Giacomo Baessato