Zach (Kyle Gallner): Beth's boyfriend at the beginning of season 4. Bitten by a walker and crushed by a helicopter after Bob Stookey accidentally alerted walkers to the group's presence.
Clara (Kerry Condon): Runs into Rick while he's outside the fence and tries to kill him. Revealed to be taking care of her husband's reanimated head. Commits suicide by stabbing herself in the stomach.
Patrick (Vincent Martella): Friend of Carl's at the beginning of the season. First person to die from the flu virus. Comes back as a walker and kills several members of the group.
Greg (Greg Crews): A member of the prison community, Greg was the first person to get bitten by the zombified Patrick. Killed by Daryl after he turns into a walker.
Chloe (Jillian McLendon): Member of the prison community, bitten by a walker.
Ryan Samuels (Victor McCay): Father of Lizzie and Mika. Bitten by walkers inside the prison who died from the flu virus. Killed by Carol at his own request before he can turn into a walker.
Karen (Melissa Ponzio) and David (Brandon Carroll): Infected by the flu virus and quarantined. Found by Rick in a prison yard, murdered and burned. Carol later admits to Rick that she killed them in an attempt to keep the rest of the prison safe.
Ana (Brina Palencia): A survivor found by Rick and Carol during a scavenging trip. After being invited to join the prison group, she splits up to quicken the scavenging. Found by Rick and Carol with her leg chopped off and being eaten by walkers.
One of Two Random Prison Survivors: This young woman died from the flu with another young man before we even knew who the hell they were.
Extra/Prop: Died of the flu before Hershel took him out of quarantine to stab in the head.
Caleb Subramanian, a.k.a. Dr. S (Sunkrish Bala): This doctor died from the flu, then was stabbed by Hershel when he came back as a zombie.
Noris (Jan Harrelson): Bitten by his own son, who died from the flu outbreak in the prison and reanimated. Zombie Noris is then killed my Maggie.
Henry (James Michael Keats): Died of the flu, then was shot in the head by Maggie.
David Chambler (Danny Vinson): Died of lung cancer…then had his head bashed in with an oxygen tank by the Governor.
Shumpert (Travis Love): Audiences never saw him go, but Martinez told the Governor their old companion was bitten and then shot in the head.
Pete Dolgen (Enver Gjokaj): This soldier in Martinez's group of survivors was stabbed and strangled by the Governor before his body was dumped into a lake, and reanimated underwater.
Meghan Chambler: This little girl that the Governor took a liking to was bitten by a walker, then shot in the head by the man who swore to protect her before she turned.
Hershel Greene (Scott Wilson): This wise old man, a main member of Rick's entourage, was decapitated by the dastardly Governor.
Governor's militia: Killed during attack on the prison.
Julio (Santiago Cirilo): This member of the Governor's militia was shot during the failed siege of the prison.
Alisha (Juliana Harkavy): Shot in the head by Lizzie, who thinks it's okay to kill humans, not zombies.
The Governor (David Morrissey): After kicking Rick's ass in a final confrontation outside the prison, Michonne stabbed the series' main antagonist through the back, and then his latest gal pal, Lilly, shot him in the head.
Mitch Dolgen (Kirk Acevedo): The Governor's militia member got an arrow to the chest after using a tank to tear down the prison's defenses.
Flame (Horse): Michonne's stallion was killed in the Governor's attack on the prison. PETA, surprisingly, didn't seem to care.
Luke (Luke Donaldson) and Molly (Kennedy Brice): The too adorable little boy (left) was devoured by zombies, and fellow prison brat Molly (back right) most likely was, too.
Christopher (Cameron Deane Stewart): This prison survivor was just trying to enjoy a warm, sunny day on the train tracks with his pops when he was swarmed by walkers and eaten alive. Good thing we didn't meet this guy in the prison, otherwise, his death might have mattered.
Christopher's Dad (MIchael Harding): Bitten. In. The. Neck. By a zombie.
A bunch of prison survivors we never really met or cared about (various actors and actresses): Bullets or knives to the head.
Lilly Chambler (Audrey Marie Anderson): Devoured by walkers (off camera. Boooo!)
Lou (Scott Dale): Strangled to death by Rick, because contrary to the popular philosophical question, no, we can't all just get along -- especially not in the apocalypse.
Mika Samuels (Kyla Kennedy): Stabbed to death by her crazy sister, who thought she could talk to zombies.
Lizzie Samuels (Brighton Sharbino): Carol shot this poor, little psychopath in the head after the 11-year-old murdered her own sister to prove a point: zombies are people, too!
Len (Marcus Hester): Beaten and murdered by his gang of not-so-friendly pals after attempting to frame Daryl for stealing his half of a rabbit they hunted.