Kimberly Cullum (born November 29, 1981) is a former child actress who has had many film and television roles, her most busy period being during the 1990s. Her younger sister Kaitlin Cullum is also a former child actress. She appeared as a young Abigail Fuller, a future flame of Sam and the mother of Sammy Jo Fuller, who she also appears as at about the same age, in the three-part episode story Trilogy on Quantum Leap.