What is Sara Gilbert's net worth? Sara Gilbert's net worth is $6 million dollars. Born in Santa Monica, California, Sara Gilbert began acting when she was in elementary school, following in the footsteps of her acting siblings, Melissa and Jonathon Gilbert. She appeared in commercials first, and then appeared in the television specials, "Calamity Jane", and the "ABC Weekend Special: Runaway Ralph". In 1988, she was cast in the role that would make her a star, as Darlene in the hit sitcom, "Roseanne". During her time on "Roseanne", she continued to act in various television specials, and graduated from Yale University. After the run of "Roseanne" ended in 1997, she continued to work, playing guest starring or supporting roles on such programs as "Welcome to New York", "24", "Will and Grace", "E.R.", "The Class", "The Big Bang Theory", and "Hawthorne". She has also appeared in such films as "Poison Ivy", "High Fidelity", and "Riding in Cars with Boys".