Rachel continues to seek information regarding the virus, while also managing an alarming situation in Lily’s life. Zach is under scrutiny at the CDC.
| Name | Type | Role | |
|---|---|---|---|
| Boyd Gaines | Guest Star | Boyd Leithauser | |
| Danielle Chambers | Guest Star | Lab Worker | |
| Kathleen McNenny | Guest Star | Diane Leithauser | |
| Dan Ziskie | Guest Star | Lt. Governor Ryan Kinney | |
| Patrick Breen | Guest Star | Agent Kermit Rimland | |
| Jefferson White | Guest Star | Clem | |
| Linda Emond | Guest Star | Lisa Quinto | |
| Jeffrey Bean | Guest Star | Sterling Conte | |
| Robert King | Executive Producer | ||
| Michelle King | Executive Producer |