<Li> Physical Education Student </Li> <Tr> <Th> Family </Th> <Td> Andrea (sister) </Td> </Tr> <P> Amy Harrison is a fictional character from the comic book series The Walking Dead and television series, where she is portrayed by Emma Bell . </P> <P> In both mediums she is the sister of Andrea, a close acquaintance of Dale, and one of the original Atlanta survivors . Andrea is greatly impacted by her sister's early departure and group leader Rick is shown to feel underlying guilt when he hallucinates her voice on the phone . </P>

Who plays andrea's sister in the walking dead