|Family||Harold Teller - Husband (Deceased)|
Andrew Teller - Son (Deceased)
|First Appearance||"No Mercy"|
|Last Appearance||"Return to Mercy Labs" (Corpse)|
|Cause of Death||Out of mercy by Harold Teller|
|Series lifespan||"No Mercy" to "No Mercy"|
Dr. Sarah Teller is working on a cure for the ZN1 virus when the lab is overrun by zombies. There is an explosion that causes the fungi to spread and infects the people trapped in the lab. She is infected and kept in the sealed lab by her husband.
When Murphy wanders in to the lab four years later she can finally communicate and through him she tells Harold that she wants to die.
As the compound is attacked by The Man she is willing to sacrifice herself in order to save her husband.
After they block off The Man, Harold tells Sarah he loves her, gives her a last kiss and then puts a gun to her head and gives her mercy.
Killed by Edit
- Dr. Harold Teller (Out of Mercy)