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 Lyndsy Fonseca Guest Star Cristine Rose Angela Petrelli Guest Star Barry Shabaka Henley Guest Star George Takei Guest Star Eriko Tamura Guest Star Adair Tishler Guest Star Ashley Crow Guest Star David Anders Guest Star Holt McCallany Guest Star Shalim Ortiz Guest Star