Alexis Bledel made her TV (and lead role) debut as Rory Gilmore.
She made her feature film debut in 2002 with "Tuck Everlasting" and starred in the "Sisterhood of the Traveling Pants" movies. She also had a small role in "Mad Men." Her most recent film role was in 2015's "Jenny's Wedding."
Lauren Graham starred in a few short-lived sitcoms before landing her role as Rory's mom, Lorelai. She earned a Golden Globe nomination for her role.
She has since gone on to appear in numerous films and had a main role in the highly-acclaimed drama "Parenthood."
Scott Patterson had various roles in TV films before being cast as Luke.
He has appeared in multiple projects, including three of the "Saw" films (four, five, and six).
Melissa McCarthy became known for her role as Sookie, Lorelai's bestie and chef at the inn.
She has since become one of the top names in comedy, known for her roles in films such as "Bridesmaids," for which she earned an Oscar nom, and the all-female "Ghostbusters" remake. She has also starred in "Mike and Molly."
Keiko Agena is best known for her role as Lane, Rory's best friend.
Her most recent roles include guest appearances on "Twisted" and "Grimm."
Liza Weil had a few roles before playing Paris Geller, a classmate of Rory's.
Her most recent role is starring in the hit show "How to Get Away With Murder" as Bonnie Winterbottom.
Jared Padalecki's first role was in a 1999 film titled "A Little Inside." A year later, he was cast as Dean, Rory's first boyfriend.
He went on to star in films such as the Mary-Kate and Ashley Olsen movie "New York Minute," but he is best-known for his role as Sam in The CW's "Supernatural."
Milo Ventimiglia appeared in episodes of "Opposite Sex" and "CSI" before being cast as Jess, another of Rory's boyfriends, in season two.
He went on to star in "Heroes" and is currently the leading man in the drama "This Is Us."
Matt Czuchry made his debut in an episode of "Freaks and Geeks" and starred in the "Dawson's Creek" spin-off "Young Americans." He joined the "Gilmore Girls" cast in season five and later became Rory's final boyfriend.
He most recently starred on "The Good Wife."
Kelly Bishop played Baby's mom in "Dirty Dancing" and won a Tony for originating the role of Sheila in "A Chorus Line" on Broadway, among other roles, before playing Emily Gilmore, Rory's grandmother and Lorelai's mother.
She most recently appeared in "Bunheads" and "Sex&Drugs&Rock&Roll" on FX.
Edward Herrmann won a Tony for his role in the 1975 revival of "Mrs. Warren's Profession." He earned five Emmy nominations, winning one in 1999 for "The Practice." But to "Gilmore" fans, he will always be the lovable Richard, Rory's grandfather.
He continued to act and do voice-over work up until his death in December 2014. He was 71.
Yanic Truesdale got his start in Quebec, but is best known in the states as Michel, a French concierge in Lorelai's inn.
He has continued to star in a number of French shows.
Sean Gunn had a few roles before becoming known as the eccentric Kirk in Stars Hollow.
The younger brother of "Guardians of the Galaxy" director James Gunn, Sean played Kraglin in the first film and is set to reprise the role in the sequel.
