A biological weapon is used in a failed assassination attempt on a high ranking government official. John, Natalie and Malcolm investigate the case and quickly find themselves racing the clock to stop a domestic terrorist group from deploying the virus on a greater, catastrophic scale.
| Name | Type | Role | |
|---|---|---|---|
| Jesse Alexander | Writer | ||
| Alex Wyse | Guest Star | ||
| James Martin Kelly | Guest Star | ||
| Rob Norton | Guest Star | ||
| Travis Johns | Guest Star | ||
| Madeline Zima | Guest Star | ||
| Fred Dryer | Guest Star | ||
| Gerald Webb | Guest Star | ||
| Wade Allain-Marcus | Guest Star | ||
| Rebecca Lowman | Guest Star | ||
| Johnny Wactor | Guest Star | ||
| Cole Michaels | Guest Star | ||
| Jesse C. Boyd | Guest Star | ||
| Matt Lasky | Guest Star | ||
| Matt Mider | Guest Star | ||
| Daniel Benzali | Guest Star | ||
| David Grant Wright | Guest Star | ||
| Mackenzie Parker | Guest Star | ||
| Kevin Bray | Director |