Jerry Seinfeld, Julia Louis-Dreyfus, Jason Alexander and Michael Richards

Julia Scarlett Elizabeth Louis-Dreyfus was born on January 13, 1961 in New York City, to parents Judith LeFever Bowles and Gérard Louis-Dreyfus. She was born into a well-established and affluent family in New York City as her father, Gérard Louis-Dreyfus, was a successful businessman from the Louis-Dreyfus family. She attended the Holton-Arms School in Bethesda, Maryland, during her high school years and developed an early interest in performing arts which led her to pursue a degree in theater at Northwestern University in Evanston, Illinois. Her career in acting began in the early 1980s when she joined the cast of SNL in 1982 and remained a regular cast member for three seasons. Julia Louis-Dreyfus's breakthrough role came with the iconic sitcom "Seinfeld," which premiered in 1989 where she portrayed the character Elaine Benes, Jerry Seinfeld's ex-girlfriend and close friend. After "Seinfeld," Julia continued to build on her success with roles in various television shows and films including "The New Adventures of Old Christine" (for which she won an Emmy), "Veep" (for which she received multiple Emmy Awards), and film roles in projects like "Enough Said" (2013).

Michael Anthony Richards was born on July 24, 1949, in Culver City, California to parents Phyllis Nardozzi and William Richards. His mother was a medical records librarian of Italian descent, and his father William Richards was an electrical engineer of Scottish and English descent. His father died in a car crash when Michael was 2 years old and his mother never remarried. He graduated from Thousand Oaks High School in Thousand Oaks, California and was then drafted into the United States Army in 1970. He trained as a medic and was stationed in West Germany where he was a member of a theatrical group called The Training Road Show. After his discharge, he used the benefits of the G.I. Bill to enroll in the California Institute of the Arts, and received a BA degree in drama from The Evergreen State College (Olympia, Washington) in 1975. Michael Richards gained fame for his portrayal of "Cosmo Kramer" on the television sitcom "Seinfeld," which aired for nine seasons from 1989 to 1998. His portrayal of the eccentric and unpredictable neighbor became one of the most iconic characters in television history. "Seinfeld" proved to be a turning point in Michael Richards' career, establishing him as a comedic talent and earning him three Primetime Emmy Awards for Outstanding Supporting Actor in a Comedy Series.

Jay Scott Greenspan, better known by his stage name, Jason Alexander was born on September 23, 1959, in Newark, New Jersey, USA. His parents are Ruth Minnie (Simon) and Alexander B. Greenspan. Jason Alexander is an actor, comedian, and director, best known for his iconic role in the television series "Seinfeld" as "George Costanz", a central character on the television sitcom. George is Jerry Seinfeld's best friend and is known for his neurotic and often self-deprecating personality. His character George is perpetually unemployed or working in jobs that he dislikes and George's romantic life is a recurring theme on the show as he often finds himself in awkward and humorous situations. George Costanza is associated with several memorable catchphrases and moments, including his iconic phrase "It's not a lie if you believe it."

Jerome Allen Seinfeld better known as Jerry Seinfeld was born in Brooklyn, NY to parents Kalman and Betty (Hosni) Seinfeld. His mother Betty was of Syrian-Jewish descent and his father was of Ukrainian-Jewish descent. He grew up in Massapequa, a suburb on Long Island, New York and his childhood in this suburban setting influenced much of his comedic material. Jerry attended Massapequa High School, where he developed an early interest in comedy and even contributed to the school's radio station. After high school, he went on to study at Queens College, City University of New York where he earned a degree in communications and theater. His career in comedy began in the late 1970s when he started performing stand-up comedy in New York City. His first major breakthrough came in 1976 when he appeared on "The Tonight Show Starring Johnny Carson." The turning point in Seinfeld's career came when he co-created and starred in the sitcom "Seinfeld," which premiered in 1989 and ran for nine seasons. The show became a massive success and is often regarded as one of the greatest sitcoms in television history. In "Seinfeld," Jerry Seinfeld plays a fictionalized version of himself named Jerry Seinfeld who is a stand-up comedian living in New York City and is the central figure around whom the comedic situations of the show revolve.