Matt Parkman
Greg Grunberg
Mr. Bennet/HRG
Jack Coleman
Claire Bennett
Hayden Panettiere
Hiro Makamura
Masi Oka
Samuel Sullivan
Robert Knepper
Peter Petrelli
Milo Ventimiglia
Tracy Strauss/Niki Sanders/Jessica
Ali Larter
Gabriel "Sylar" Gray
Zachary Quinto
Ando Masahashi
James Kyson Lee
Nathan Petrelli
Adrian Pasdar
Mohinder Suresh
Sendhil Ramamurthy
Gretchen Berg
Madeline Zima
Emma Coolidge
Deanne Bray
Guest Star
Dawn Olivieri
Jimmy Keppler
Daniel Newman
Angela Petrelli
Cristine Rose
Guest Star
Louise Fletcher
Guest Star
Assaf Cohen
Guest Star
Ray Park
Kaito Nakamura
George Takei
Guest Star
Eric Roberts
Micah Sanders
Noah Gray-Cabey
Janice Parkman
Lisa Lackey
Charlene "Charlie" Andrews
Jayma Mays
Guest Star
Elizabeth Rohm
Guest Star
Kavi Ladnier
Guest Star
Ellen Greene
Guest Star
Rick Worthy
Guest Star
Tamlyn Tomita
Isaac Mendez
Santiago Cabrera
Guest Star
Bruce Boxleitner
Guest Star
Elisabeth Rohm
Guest Star
Ravi Kapoor
Guest Star
David H. Lawrence XVII
Sandra Bennet
Ashley Crow
Guest Star
Swoosie Kurtz
Maya Herrera
Dania Ramirez
Guest Star
Tessa Thompson
Guest Star
Kate Vernon
Guest Star
Andrew Connolly
Adam Monroe
David Anders
The Haitian
Jimmy Jean-Louis
Guest Star
Ernie Hudson
Guest Star
Todd Stashwick
Guest Star
Heather Ankeny
Guest Star
Mark L. Young
Guest Star
Raphael Sbarge
D.L. Hawkins
Leonard Roberts
Guest Star
Carlease Burke
Amanda Strazzulla
Sasha Pieterse
Simone Deveaux
Tawny Cypress
Jackie Wilcox
Danielle Savre
Kimiko Nakamura
Saemi Nakamura
Guest Star
David Pompeii
Guest Star
Rachel Melvin
Guest Star
Aleene Khoury
Guest Star
Akihiro Kitamura
Guest Star
Bryce Hurless
Guest Star
K Callan
Waitress Lynette
Sally Champlin
Guest Star
Harry Perry
Lyle Bennet
Randall Bentley
Guest Star
Jayson Blair
Guest Star
Candace Smith
Guest Star
Edward Gusts
Guest Star
Benjamin Fitch
Guest Star
Bonnie Bentley
Guest Star
Edwin Kho
Guest Star
Hank Stratton
Guest Star
Don Tiffany
Guest Star
Dawn-Lyen Gardner
Guest Star
Bryan Krasner
Guest Star
Stephen Monroe Taylor
Guest Star
Jamie Tisdale
Guest Star
Satomi Okuno
Guest Star
Susan Angelo
Guest Star
Wes Ramsey
Guest Star
David Atkinson
Guest Star
Jordan Dang
Guest Star
Christine Adams
Simon Petrelli
Justin Evans
Guest Star
China Anderson
Daphne Millbrook
Brea Grant
Guest Star
Daryl Crittenden
Guest Star
Daniel Kash
Guest Star
Eidan Hanzei
Guest Star
Sherri Saum
Guest Star
Erin O'Reilly
Guest Star
Dusty Sorg
Guest Star
Danica Stewart
Guest Star
Greg Zola
Guest Star
Kenneth Colom
Molly Walker
Adair Tishler
Guest Star
John Lee Ames
Monty Petrelli
Jackson Wurth
Guest Star
Sydney Sweeney
Guest Star
Sam Cohen
Guest Star
Ai Yoshihara
Guest Star
Keisuke Hoashi
Guest Star
Cindy Chiu
Guest Star
Kat Purgal
Guest Star
Candice Patton
Guest Star
Kaleigh Ryan
Guest Star
Mercedes Colon
Elle Bishop
Kristen Bell
Guest Star
Randy Flagler
Guest Star
Carrie Wiita
Guest Star
Adam Lazarre-White
Guest Star
Jonathan Goldstein
Guest Star
Matt Sigloch
Emile Danko
Zeljko Ivanek
Guest Star
Jack Wallace
Guest Star
Scott Lowell
Bob Bishop
Stephen Tobolowsky
Zach
Thomas Dekker
Usutu
Ntare Guma Mbaho Mwine
Meredith Gordon
Jessalyn Gilsig
Benjamin "Knox" Washington
Jamie Hector
Monica Dawson
Dana Davis
West Rosen
Nicholas D'Agosto
Ted Sprague
Matthew John Armstrong
Flint Gordon
Blake Shields
Audrey Hanson
Clea Duvall
Daniel Linderman
Malcolm McDowell
Arthur Petrelli
Robert Forster
Eden McCain
Nora Zehetner
Alejandro Herrera
Shalim Ortiz
Yaeko
Eriko Tamura
Caitlin
Katie Carr
Candice Wilmer
Missy Peregrym
Tina
Deirdre Quinn
Maury Parkman
Alan Blumenfeld
Nana Dawson
Nichelle Nichols
Claude
Christopher Eccleston
Heidi Petrelli
Rena Sofer
Ricky
Holt McCallany
Will
Dominic Keating
Tuko
Adetokumboh M'Cormack
Little Sylar
Joshua Rush
Shadow Agent / National Guard Soldier / SWAT Agent
Julio Leal
Baby Matt Parkman / Baby Matt Parkman 1 / Baby Matt Parkma
Reed Baron
Baby Matt Parkman / Baby Matt Parkman 2
Quin Baron
Ezekiel
Robb Conner
Charles Deveaux
Richard Roundtree
Detective Bryan Fuller
Barry Shabaka Henley
Campaign Manager
Eugene Byrd
Hank
Colby French
May
Janel Parrish
Brody Mitchum
Matt Lanter
Debbie Marshall
Dianna Agron
Analyst
Jonny Siew
Hunter / Agent / U.S. Marine
Jason Giffin