"The Wall" is the seventeenth episode of the fourth season of the NBC science fiction drama series Heroes, and the seventy-sixth episode overall. The episode aired on February 1, 2010.
Casts:
Zachary Quinto, Masi Oka, Hayden Panettiere, Adrian Pasdar, Sendhil Ramamurthy, Milo Ventimiglia, Ali Larter, Robert Knepper, Jack Coleman, James Kyson, Greg Grunberg, Cristine Rose