Astrid Farnsworth is a fictional character from the science fiction television series Fringe, which aired on the Fox Broadcasting Company in the United States from 2008 to 2013. The character was created by series' co-creator J. J. Abrams, and is portrayed by actress Jasika Nicole. Astrid is one of the series' protagonists, and was introduced as a Junior FBI Agent, doing research work for Olivia Dunham on her cases and became involved in a multi-agency task force of the U.S. Department of Homeland Security called the Fringe Division, dealing with supernatural events that are linked to experimental occurrences. She works alongside Walter Bishop for the entirety of the series.