Tim Kring Creator Jack Coleman Mr. Bennet, HRG Actor Greg Grunberg Matt Parkman Actor Ali Larter Tracy Strauss, Niki Sanders, Jessica Actor James Kyson Ando Masahashi Actor Masi Oka Hiro Makamura Actor Hayden Panettiere Claire Bennett Actor Adrian Pasdar Nathan Petrelli Actor Zachary Quinto Sylar Actor Sendhil Ramamurthy Mohinder Suresh Actor Dania Ramirez Maya Herrera Actor Cristine Rose Angela Petrelli Actor Milo Ventimiglia Peter Petrelli Actor Kristen Bell Guest Star David Anders Guest Star Jessalyn Gilsig Guest Star Ashley Crow Guest Star William Katt Guest Star Jamie Hector Guest Star Francis Capra Guest Star Blake Shields Guest Star Ntare Guma Mbaho Mwine Guest Star Bruce Boxleitner Guest Star Malcolm McDowell Guest Star Stephen Tobolowsky Guest Star Alan Blumenfeld Guest Star