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 Malcolm McDowell Guest Star David Anders Guest Star Adair Tishler Guest Star Brea Grant Guest Star Randall Bentley Guest Star Ashley Crow Guest Star Jessalyn Gilsig Guest Star Ronald Guttman Guest Star Jamie Hector Guest Star Jimmy Jean-Louis Guest Star Ntare Guma Mbaho Mwine Guest Star Thomas Robinson Guest Star Sage Kirkpatrick Guest Star Adam Jamal Craig Guest Star