Jack Coleman Mr. Bennet, HRG Actor Greg Grunberg Matt Parkman Actor Robert Knepper Samuel Sullivan 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 Cristine Rose Angela Petrelli Actor Milo Ventimiglia Peter Petrelli Actor George Takei Guest Star Tamlyn Tomita Guest Star Madeline Zima Guest Star Dawn Olivieri Guest Star David Anders Guest Star Lisa Lackey Guest Star Danielle Savre Guest Star Sally Champlin Guest Star Satomi Okuno Guest Star Jordan Dang Guest Star