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 Bruce Boxleitner Guest Star Ashley Crow Guest Star Jimmy Jean-Louis Guest Star Jamie Hector Guest Star Francis Capra Guest Star Brea Grant Guest Star George Takei Guest Star Malcolm McDowell Guest Star Randall Bentley Guest Star Ryan Todd Guest Star Loren Lester Guest Star J. David Shanks Guest Star