Fueled by his vision of Emma in grave danger, Peter attempts to rescue Sylar from his worst nightmare. At the carnival, Samuel reveals H.R.G.s secret past in order to bring Claire to his side. Meanwhile, Lauren makes a bold move to put a stop to Samuel.
Elenco: Greg Grunberg , Ali Larter , Masi Oka , Hayden Panettiere , Adrian Pasdar , Sendhil Ramamurthy , Milo Ventimiglia , Jack Coleman , Robert Knepper , James Kyson , Cristine Rose , Zachary Quinto , Greg Grunberg , Jack Coleman , James Kyson , James Kyson Lee , Jayma Mays , Jimmy Jean-Louis , Kristen Bell , Leonard Roberts , Lestat , Lyndsy Fonseca , Malcolm McDowell , Masi Oka , Noah Gray-Cabey , Robert Knepper , Santiago Cabrera , Sendhil Ramamurthy , Stephen Tobolowsky , Tawny Cypress .