Dorthea Lauren Allegra Lapkus (born September 6, 1985) is an American actress and comedian who portrayed Susan Fischer in the Netflix original series Orange Is the New Black and Jess in HBO's Crashing. She has also made appearances on such television shows as Jimmy Kimmel Live!, The Middle, Hot in Cleveland, and @midnight and films such as Jurassic World. She has appeared on many podcasts, including Comedy Bang! Bang!, improv4humans, and her own podcast With Special Guest Lauren Lapkus. She was a main cast member on the TBS original sitcom Clipped.
Lapkus was born in Evanston, Illinois, of half Lithuanian and half Greek/Serbian descent. At an early age she would film sketches with her older brother and later at Evanston Township High School she participated in the annual student revue and variety show YAMO.
During her senior year of high school, she began taking improv classes at the iO Theater. She would attend DePaul University graduating in 2008 with a degree in English, while she continued performing improv most nights. Lapkus credits watching a lot of television sitcoms and Saturday Night Live while young with giving her the education to become a comedian.