Tim Kring Creator, Executive Producer Sendhil Ramamurthy Mohinder Suresh Actor Milo Ventimiglia Peter Petrelli Actor Adrian Pasdar Nathan Petrelli Actor Hayden Panettiere Claire Bennett Actor Ali Larter Tracy Strauss, Niki Sanders, Jessica Actor Noah Gray-Cabey Actor Santiago Cabrera Actor Tawny Cypress Actor Masi Oka Hiro Makamura Actor Greg Grunberg Matt Parkman Actor Jack Coleman Mr. Bennet, HRG Actor James Kyson Ando Masahashi Guest Star Leonard Roberts Guest Star Eric Roberts Guest Star Zachary Quinto Sylar Guest Star Ellen Greene Guest Star Matthew John Armstrong Guest Star Justin Evans Guest Star Missy Peregrym Guest Star Cristine Rose Angela Petrelli Guest Star Rena Sofer Guest Star Adair Tishler Guest Star Jackson Wurth Guest Star Greg Beeman Director Allan Arkush Director