According to Celebrity Net Worth, Melissa Gilbert has a net worth of $8 million. The majority of her wealth comes from her successful acting career. She is best known for her role as Laura Ingalls Wilder on the television series Little House on the Prairie. She has also appeared in a number of other television shows and movies throughout her career. In addition to her acting work, Gilbert has also written two books and served as the president of the Screen Actors Guild from 2001 to 2005.