Fan Casting Andrea Harrison in The Walking Dead

Andrea Grimes (née unknown) is a main character first encountered in Issue 2 of Image Comics' The Walking Dead. She was the tritagonist from Volume 9 to Volume 28. Andrea is the older sister of Amy and a tough and very skilled woman, being very talented with firearms, and becoming one of the group's key defenders because of that. Once the Atlanta camp fell and she was faced with the death of her sister, she formed a relationship with Dale, who both later adopted Ben and Billy after their father's death. After the deaths of Ben, Billy, and later Dale, she mourned and moved on, forming a romantic relationship with Rick, and becoming a mother figure to his son, Carl.