| Name | Character | Episodes |
|---|---|---|
| Bruce Greenwood | Dr. Nathan Bradford | 9 |
| Naomi Watts | Kate Russell | 9 |
| Abraham Benrubi | Vincent Konefke | 9 |
| Jeffrey D. Sams | Ben Costigan | 9 |
| Anna Gunn | Angie Gilpin | 1 |
| Jeff Doucette | Detective Burke | 1 |
| Matt Hill | 1 | |
| Lewis Arquette | 1 | |
| Shane Kelly | Kurt Langenhahn | 1 |