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 Swoosie Kurtz Guest Star Brea Grant Guest Star Željko Ivanek Guest Star David H. Lawrence XVII Guest Star Lisa Lackey Guest Star William Duffy Guest Star Cazimir Milostan Guest Star Jason E. Kelley Guest Star Michael Carven Guest Star Meeghan Holaway Guest Star Steve Seagren Guest Star Cory Tucker Guest Star Japheth Gordon Guest Star Robert Mammana Guest Star