| Narrator | Kim A. Snyder | |
| Herself | Michelle Akers | |
| Himself - local pastor Truckee / Tahoe | Jan Armstrong | |
| Herself - victim in Punta Gorda FL | Faye Austin | |
| Herself - victim in Punta Gorda FL | Gussie Baker | |
| Himself - Lyndonville physician | David Bell M.D. | |
| Herself - relative of a victim | Kelly Blank | |
| Himself | 布莱克·爱德华兹
 | |
| Himself - researcher at Johns Hopkins | D.A. Henderson M.D. | |
| Himself - physician | David Hyde M.D. | |
| Herself - Incline Village spokesperson | Eleanor Jefferies | |
| Himself - former teacher Truckee High | Gerald Kennedy | |
| Herself - immunologist and researcher | Nancy Klimas M.D. | |
| Himself - immunologist | Jay Levy M.D. | |
| Herself - victim in Punta Gorda FL (as Francis Malone) | Frances Malone | |
| Himself - psychiatrist | Peter Manu M.D. | |
| Herself - a victim | Pat McCloud | |
| Herself - victim in Punta Gorda FL | Martha McCormick | |
| Himself - a victim in Durham CT | Stephen Paganetti | |
| Herself - victim at age 12 | Heidi Pask | |
| Himself - Tahoe physician | Daniel Peterson M.D. | |
| Herself - mother of a Lyndonville NY victim | Jean Pollard | |
