Mohinder Suresh

Sendhil Ramamurthy

Isaac Mendez

Santiago Cabrera

Peter Petrelli

Milo Ventimiglia

Simone Deveaux

Tawny Cypress

Hiro Makamura

Masi Oka

Claire Bennett

Hayden Panettiere

Matt Parkman

Greg Grunberg

Nathan Petrelli

Adrian Pasdar

Tracy Strauss/Niki Sanders/Jessica

Ali Larter

Micah Sanders

Noah Gray-Cabey

Noah 'H.R.G. (Horn-Rimmed Glasses)' Bennet

Jack Coleman

Ando Masahashi

James Kyson

Angela Petrelli

Cristine Rose

Audrey Hanson

Clea Duvall

Gabriel "Sylar" Gray

Zachary Quinto

Eden McCain

Nora Zehetner

Guest Star

Erick Avari

Brody Mitchum

Matt Lanter

Sandra Bennet

Ashley Crow

Guest Star

Christopher Eccleston

D.L. Hawkins

Leonard Roberts

Daniel Linderman

Malcolm McDowell

Guest Star

Kristin Veitch

Heidi Petrelli

Rena Sofer

Guest Star

Thomas Dekker

Guest Star

Stacy Haiduk

Guest Star

Eric Roberts

Guest Star

Shishir Kurup

Guest Star

Stana Katic

Charlene "Charlie" Andrews

Jayma Mays

Guest Star

Tina Lifford

Kimiko Nakamura

Saemi Nakamura

Molly Walker

Adair Tishler

Guest Star

Aron Malsky

Guest Star

Graham Beckel

The Haitian

Jimmy Jean-Louis

Candice Wilmer

Missy Peregrym

Maya Herrera

Dania Ramirez

Guest Star

Ellen Greene

Campaign Manager

Eugene Byrd

Guest Star

Missi Pyle

Guest Star

Karri Turner

Guest Star

Kellan Lutz

Jackie Wilcox

Danielle Savre

Guest Star

Kavi Ladnier

Guest Star

Colby French

Janice Parkman

Lisa Lackey

Guest Star

Sterling Beaumon

Simon Petrelli

Justin Evans

Charles Deveaux

Richard Roundtree

Meredith Gordon

Jessalyn Gilsig

Guest Star

Paula Newsome

Guest Star

Sakina Jaffrey

Kaito Nakamura

George Takei

Guest Star

Keith Burke

Guest Star

Ian Gomez

Guest Star

Conroe Brooks

Lyle Bennet

Randall Bentley

Guest Star

Garrett Masuda

Ted Sprague

Matthew John Armstrong

Daphne Millbrook

Brea Grant

Guest Star

Rusty Schwimmer

Guest Star

Stan Lee

Monty Petrelli

Jackson Wurth

Guest Star

Bill Fagerbakke

Guest Star

Ethan Cohn

Samuel Sullivan

Robert Knepper

Guest Star

Christina Haag

Guest Star

John Lacy

Elle Bishop

Kristen Bell

Guest Star

Lilas Lane

Guest Star

Paul Perri

Adam Monroe

David Anders

Guest Star

Jeremy Gram Weaver

Emile Danko

Zeljko Ivanek

Lydia

Dawn Olivieri

Bob Bishop

Stephen Tobolowsky

Gretchen Berg

Madeline Zima

Usutu

Ntare Guma Mbaho Mwine

Lauren Gilmore

Elisabeth Röhm

Benjamin "Knox" Washington

Jamie Hector

Edgar

Ray Park

Eric Doyle

David H. Lawrence XVII

Monica Dawson

Dana Davis

Emma Coolidge

Deanne Bray

West Rosen

Nicholas D'Agosto

Flint Gordon

Blake Shields

Arthur Petrelli

Robert Forster

Alejandro Herrera

Shalim Ortiz

Yaeko

Eriko Tamura

Eli

Todd Stashwick

Caitlin

Katie Carr

Amanda Strazzulla

Sasha Pieterse

Hesam

Assaf Cohen

Tina

Deirdre Quinn

Maury Parkman

Alan Blumenfeld

Chris

Daryl Crittenden

Nana Dawson

Nichelle Nichols

Ricky

Holt McCallany

Will

Dominic Keating

Tuko

Adetokumboh M'Cormack

Waitress Lynette

Sally Champlin

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

Detective Bryan Fuller

Barry Shabaka Henley

May

Janel Parrish

Mike

Rick Worthy

Debbie Marshall

Dianna Agron

Analyst

Jonny Siew

Hunter / Agent / U.S. Marine

Jason Giffin

Damian

Harry Perry

Director

Greg Yaitanes

Director

Jeannot Szwarc

Director

Adam Kane

Director

John Badham

Director

Allan Arkush

Director

Greg Beeman