Heroes 3x20: Chapter Seven 'Cold Snap'
| Serie | Heroes |
| Staffel | 3 |
| Folge | 20 |
| Länge | 43 Minuten |
| Genres | Drama, Fantasy, Sci-Fi |
| Erstausstrahlung | 13.01.2010 |
| Autoren | Bryan Fuller |
| Regisseur | Greg Yaitanes |
Die Schauspieler der Episode
| Schauspieler | Rolle |
|---|---|
| Jack Coleman | Noah Bennet |
| Greg Grunberg | Matt Parkman |
| Ali Larter | Tracy Strauss |
| James Kyson | Ando Masahashi |
| Masi Oka | Hiro Nakamura |
| Sendhil Ramamurthy | Mohinder Suresh |
| Cristine Rose | Angela Petrelli |
| Milo Ventimiglia | Peter Petrelli |
| Noah Gray-Cabey | Micah Sanders |
| Brea Grant | Daphne Millbrook |
| David H. Lawrence XVII | Eric Doyle |
| Elizabeth Lackey | Janice Parkman |
| William Duffy | ER Doctor |
| Zeljko Ivanek | Emile Danko |
| Swoosie Kurtz | Millie Houston |
| Cazimir Milostan | Limo Driver |
| Jason E. Kelley | Agent |
| Michael Carven | Handsome Older Gentleman |
| Meeghan Holaway | Saleswoman |
| Steve Seagren | Doorman |
| Cory Tucker | First Agent |
| Japheth Gordon | Agent #1 |
| Robert Mammana | Agent #2 |
| Quin Baron | Baby Matt Parkman |
| Reed Baron | Baby Matt Parkman |
| Steve Filice | Waiter |
| Itamar Gelbman | SWAT Team Leader |
| Brian Harvey | Eric |
| Mohammad Kavianpour | Family of Patient |
| Lauren L. Lawson | Tech |
| Sarah Ospina | Cold Snap |