Sheila Hammond is a fictional character from the television series Santa Clarita Diet. She is portrayed by actress Drew Barrymore. Sheila is a suburban real estate agent who experiences a dramatic change in her life when she becomes a zombie. This transformation leads her to develop a craving for human flesh, which complicates her family life and career. Throughout the series, Sheila navigates her new identity while trying to maintain her relationships with her husband, Joel Hammond, and their daughter, Abby Hammond. The show blends elements of comedy and horror, showcasing Sheila's struggles and the humorous situations that arise from her condition.