| Name | Character | Episodes |
|---|---|---|
| Elizabeth Mitchell | Alice Allenby | 6 |
| Peter Riegert | 6 | |
| Wendy Crewson | Maggie Steech | 6 |
| Jason Gedrick | 6 | |
| Naveen Andrews | Tamir Naipaul | 6 |
| April Grace | 6 | |
| Harriet Sansom Harris | 6 | |
| Frank Langella | 6 | |
| Ian Paul Cassidy | 6 | |
| Don Michael Paul | Peter Daschle | 1 |