Tim Kring Creator 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 Nicholas D'Agosto Guest Star Adair Tishler Guest Star Stephen Tobolowsky Guest Star Dana Davis Guest Star Dania Ramirez Maya Herrera Guest Star Shalim Ortiz Guest Star Zachary Quinto Sylar Guest Star Joanna Cassidy Guest Star Ashley Crow Guest Star Jaime Ray Newman Guest Star Eijiro Ozaki Guest Star Cory Hardrict Guest Star Katie Carr Guest Star Nichelle Nichols Guest Star Randall Bentley Guest Star Jermaine Jackson Guest Star