Sosie Ruth Bacon (born March 15, 1992) is an American actress. Her first role was playing 10-year-old Emily in the movie Loverboy (2005), which was directed by her father, Kevin Bacon. James Duff, producer of The Closer, was compelled by Bacon's performance in Loverboy to suggest that she play the role of Deputy Chief Brenda Leigh Johnson's niece Charlie in the fifth season of the show. Although her parents were opposed to her being involved in acting, Bacon accepted the role and appeared in four episodes alongside her mother, who played the role of Chief Johnson. Bacon portrayed the character Skye Miller in the TV series 13 Reasons Why.

Sosie Bacon plays as Mandy in Mare of Easttown.
Sosie Bacon is the top #1 member of the cast and appears in 8 episodes.

Kate Elizabeth Winslet (born October 5, 1975) is an English actress. Known for her work in independent films, particularly period dramas, as well as for her portrayals of headstrong and complicated women, she has received numerous accolades, including an Academy Award, a Grammy Award, two Primetime Emmy Awards, three British Academy Film Awards, and five Golden Globe Awards. Winslet studied drama at the Redroofs Theatre School. Her first screen appearance, at age 15, was in the British television series Dark Season (1991). She made her film debut playing a teenage murderess in Heavenly Creatures (1994), and went on to win a BAFTA Award for playing Marianne Dashwood in Sense and Sensibility (1995). Global stardom followed soon after with her leading role in the epic romance Titanic (1997), which earned her a nomination for the Academy Award for Best Actress in a Leading Role. Titanic was the highest-grossing film at the time, after which she eschewed parts in blockbusters in favour of critically acclaimed period pieces, including Quills (2000) and Iris (2001). The science fiction romance Eternal Sunshine of the Spotless Mind (2004), in which Winslet was cast against type in a contemporary setting, proved to be a turning point in her career, and she gained further recognition for her performances in Finding Neverland (2004), Little Children (2006), Revolutionary Road (2008), and The Reader (2008). For playing a former Nazi camp guard in the latter, she won the BAFTA Award and the Academy Award for Best Actress. Winslet's portrayal of Joanna Hoffman in the biopic Steve Jobs (2015) won her another BAFTA Award, and she won two Primetime Emmy Awards for her performances in the HBO miniseries Mildred Pierce (2011) and Mare of Easttown (2021). For her narration of a short story in the audiobook Listen to the Storyteller (1999), Winslet won a Grammy Award. She performed the song "What If" for the soundtrack of her film Christmas Carol: The Movie (2001). A co-founder of the charity Golden Hat Foundation, which aims to create autism awareness, she has written a book on the topic, The Golden Hat: Talking Back to Autism (2010). Time magazine named her one of the 100 most influential people in the world in 2009 and 2021. In 2012, she was appointed Commander of the Order of the British Empire (CBE). Divorced from film directors Jim Threapleton and Sam Mendes, Winslet has been married to businessman Edward Abel Smith since 2012. She has a child from each marriage.

Kate Winslet plays as Chancellor Elena Vernham in Mare of Easttown.
Kate Winslet is the top #2 member of the cast and appears in 5 episodes.

James McArdle is a Scottish actor from Glasgow. Having worked as a child actor in films, he trained at RADA, graduating in 2010. In his graduation year he appeared in Macbeth at The Globe and starred in the summer smash hit Spur of the Moment by Anya Reiss at the Royal Court Theatre in London. He then played in plays such as A Month in the Country by Ivan Turgenev, Chariots of Fire by Mike Bartlett and Platonov for which he won the Ian Charleson Award. On screens, he is known for movies such as Star Wars: The Force Awakens (2015), '71 (2014) and Salting the Battlefield (2014).

James McArdle plays as Timm Karlo in Mare of Easttown.
James McArdle is the top #3 member of the cast and appears in 5 episodes.

Ruby Cruz plays as Kit Tanthalos in Mare of Easttown.
Ruby Cruz is the top #4 member of the cast and appears in 3 episodes.

Jean Smart is an American stage, film and television actress, best known for her comedic roles on television, especially for playing Charlene Frazier Stillfield on the CBS sitcom Designing Women. She also portrayed Martha Logan on the television series 24, Regina Newly on the ABC sitcom Samantha Who?, and Dr. Melanie Bird on Legion.

Jean Smart plays as Deborah Vance in Mare of Easttown.
Jean Smart is the top #5 member of the cast and appears in 2 episodes.

Joe Tippett (born March 1, 1982) is an American actor. He is known for playing Sam Strickland in the NBC drama series Rise and John Ross in the HBO crime drama miniseries Mare of Easttown.

Joe Tippett plays as Tim in Mare of Easttown.
Joe Tippett is the top #6 member of the cast and appears in 2 episodes.

Evan Peters is an American actor.  His breakthrough came when he was cast as Tate Langdon in American Horror Story, but he is also known for his role as Todd Haynes in Kick-Ass and Quicksilver in X-Men: Days of Future Past.

Evan Peters plays as Colin Zabel in Mare of Easttown.
Evan Peters is the top #7 member of the cast and appears in 0 episodes.

Guy Edward Pearce (born 5 October 1967) is an English-born Australian actor and musician, known for his roles as Leonard Shelby in Christopher Nolan's Memento, Lieutenant Ed Exley in the film L.A. Confidential, a drag queen in the cult film The Adventures of Priscilla, Queen of the Desert, Mike Young in the popular Australian television series Neighbours and King Edward VIII ("David") in the 2010 Best Picture Oscar winner The King's Speech.

Guy Pearce plays as Richard Ryan in Mare of Easttown.
Guy Pearce is the top #8 member of the cast and appears in 0 episodes.

Julianne Nicholson (born July 1, 1971) is an American actress. She is known for having played Megan Wheeler on Law & Order: Criminal Intent.

Julianne Nicholson plays as Lori Ross in Mare of Easttown.
Julianne Nicholson is the top #9 member of the cast and appears in 0 episodes.

Angourie Rice (born 1 January 2001) is an Australian actress known for her lead role in the films These Final Hours (as Rose) and The Nice Guys (as Holly March). Description above from the Wikipedia article Angourie Rice, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Angourie Rice plays as Siobhan Sheehan in Mare of Easttown.
Angourie Rice is the top #10 member of the cast and appears in 0 episodes.