Elenco Principal da Temporada 12

1. 

   Santiago Cabrera

   Isaac Mendez

2. 

   Tawny Cypress

   Simone Deveaux

3. 

   Noah Gray-Cabey

   Micah Sanders

4. 

   Ali Larter

   Niki Sanders

5. 

   Masi Oka

   Hiro Nakamura

6. 

   Hayden Panettiere

   Claire Bennet

7. 

   Adrian Pasdar

   Nathan Petrelli

8. 

   Sendhil Ramamurthy

   Mohinder Suresh

9. 

   Milo Ventimiglia

   Peter Petrelli

10. 

    Jack Coleman

    Noah Bennet

11. 

    Greg Grunberg

    Matt Parkman

12. 

    Leonard Roberts

    D.L. Hawkins

Convidados Especiais 15

1. 

   Zachary Quinto

   Gabriel "Sylar" Gray

2. 

   James Kyson

   Ando Masahashi

3. 

   Jessalyn Gilsig

   Meredith Gordon

4. 

   Jesse Corti

   LAPD Police Captain Knox

5. 

   George Takei

   Kaito Nakamura

6. 

   Thomas Dekker

   Zach

7. 

   Christopher Eccleston

   Claude

8. 

   Colby French

   Hank

9. 

   Lisa Lackey

   Janice Parkman

10. 

    Ashley Crow

    Sandra Bennet

11. 

    Jimmy Jean-Louis

    The Haitian

12. 

    Alex Fernandez

    Police Captain Baldwin

13. 

    Paula Newsome

    Dr. Witherson

14. 

    Brad Greenquist

    Nakamura's Henchman

15. 

    Dominic Paolo Testa

    Attendant

Equipa Técnica 2