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 Noah Gray-Cabey Guest Star Lisa Lackey Guest Star Ellen Greene Guest Star Gabriel Olds Guest Star Clint Howard Guest Star Željko Ivanek Guest Star Reginald James Guest Star Douglas Tait Guest Star Eddie Driscoll Guest Star Adam Armus Writer Nora Kay Foster Writer Allan Arkush Director