Cara Buono (born March 1, 1974) is an American actress, screenwriter and director best known for her roles as Dr. Faye Miller in the fourth season of the AMC drama series Mad Men, Kelli Moltisanti in the sixth season of The Sopranos, Linda Salvo in the 2006 comedy Artie Lange's Beer League, and Karen Wheeler in the 2016 horror sci-fi Netflix original series Stranger Things. She has appeared in such films as Hulk (2003) and Let Me In (2010). Description above from the Wikipedia article Cara Buono, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Cara Buono plays as Karen Wheeler in The Girl From Plainville.
Cara Buono is the top #1 member of the cast and appears in 25 episodes.

Mary Elle Fanning (born April 9, 1998) is an American actress. She made her film debut as the younger version of her sister Dakota Fanning's character in the drama film I Am Sam (2001). As a child actress, she appeared in several films, including Babel (2006), Phoebe in Wonderland (2008), and Somewhere (2010). Her breakthrough came in 2011 with her starring role in J. J. Abrams' science-fiction film Super 8, for which she received critical praise and earned a Spotlight Award at the Hollywood Film Festival. Fanning subsequently had leading roles in the comedy-drama film We Bought a Zoo (2011), the drama film Ginger & Rosa (2012), and as Princess Aurora in the fantasy films Maleficent (2014) and Maleficent: Mistress of Evil (2019). She also began working in independent cinema, collaborating with auteurs in lead and supporting roles in films such as Nicolas Winding Refn's The Neon Demon (2016), Mike Mills' 20th Century Women (2016), Sofia Coppola's The Beguiled (2017), John Cameron Mitchell's How to Talk to Girls at Parties (2017), Woody Allen's A Rainy Day in New York (2019), and Sally Potter's The Roads Not Taken (2020). In 2020, she began portraying Empress Catherine II in the Hulu series The Great, for which she received a nomination for a Golden Globe Award for Best Actress – Television Series Musical or Comedy and won the Satellite Award for Best Actress – Television Series Musical or Comedy. In 2019, aged 21, Fanning became the youngest person to serve as a jury member at the Cannes Film Festival.

Elle Fanning plays as Catherine II of Russia in The Girl From Plainville.
Elle Fanning is the top #2 member of the cast and appears in 20 episodes.

Chloë Stevens Sevigny (born November 18, 1974) is an American film actress, fashion designer and former model. Sevigny became known for her broad fashion career in the mid-1990s, both for modeling and for her work at New York's Sassy magazine, which labeled her the new "it girl" at the time, garnering her attention within New York's fashion scene. Sevigny made her film debut with a leading role in the controversial Larry Clark film Kids (1995), which led to an Independent Spirit Award nomination for her performance. A long line of roles in generally well-received independent and often avant-garde films throughout the decade established Sevigny's reputation as an indie film queen. It was not until 1999 that Sevigny gained serious critical and commercial recognition for her first mainstream role in Boys Don't Cry, for which she received Academy Award and Golden Globe nominations for Best Supporting Actress. Sevigny has continued acting in mostly independent art house films, such as American Psycho (2000), Party Monster (2003), The Brown Bunny (2003) and Dogville (2003). In 2006, Sevigny gained a leading role in the HBO television series Big Love, for which she received a Golden Globe for Best Supporting Actress in 2010. Additionally, Sevigny has two Off-Broadway theatre credits, and has starred in several music videos. She has also designed several wardrobe collections, most recently with Manhattan's Opening Ceremony boutique.

Chloë Sevigny plays as Lynn Roy in The Girl From Plainville.
Chloë Sevigny is the top #3 member of the cast and appears in 4 episodes.

Colton Ryan plays as Conrad 'Coco' Roy III in The Girl From Plainville.
Colton Ryan is the top #4 member of the cast and appears in 4 episodes.

Kai Lennox plays as David Carter in The Girl From Plainville.
Kai Lennox is the top #5 member of the cast and appears in 4 episodes.

Gigi Pereira plays as Extra in The Girl From Plainville.
Gigi Pereira is the top #6 member of the cast and appears in 4 episodes.

Norbert Leo Butz plays as Norbert in The Girl From Plainville.
Norbert Leo Butz is the top #7 member of the cast and appears in 2 episodes.