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 Donna Davis Guest Star Nichelle Nichols Guest Star Cristine Rose Angela Petrelli Guest Star Adair Tishler Guest Star Carlon Jeffery Guest Star Ashley Crow Guest Star Jimmy Jean-Louis Guest Star Nicholas D'Agosto Guest Star Barry Shabaka Henley Guest Star Shalim Ortiz Guest Star Mark Christopher Lawrence Guest Star Jeanette Brox Guest Star Janel Parrish Guest Star T.W. Leshner Guest Star Randall Bentley Guest Star Dianna Agron Guest Star