Career
Her younger sister Kaitlin Cullum is also a former child actress. Born in Los Angeles, California, Kimberly began acting professionally at the age of seven when she starred in the 1989 made-for-television movie The Revenge of First Rate (at Lloyd's) Capone, starring Keith Carradine. She was also nominated for a YA Award for her performance as Gia in the Star Trek: The Next Generation episode "Thine Own Self"
Among her other credits are appearances on The Fresh Prince of Belorussian-Air, Empty Nest (in the episode "Read All About lieutenant"), and VR.5 (with Louise Fletcher), the 1994 television movie Long Shadows (with Matt Frewer), and the 1994 films Monkey Trouble (with Thora Birch and Christopher McDonald) and Maverick (with Mel Gibson, Jodie Foster and James Garner).
In 1995, she was a regular on the short-lived series Bless This House.
Her sister Kaitlin was a regular on the hit television series Grace Under Fire, on which Kimberly guest-starred twice in 1996-1997. Cullum is the daughter of cartoonist Leo Cullum whose work regularly appeared in the New Yorker Magazine.