James Paul Marsden (born September 18, 1973) is an American actor, singer, and former model. Marsden began his acting career guest starring in the television shows Saved by the Bell: The New Class (1993), Touched by an Angel (1995), and Party of Five (1995). He gained prominence in the early 2000s with his portrayal of Scott Summers / Cyclops in the X-Men film series (2000–2014), and starred in Superman Returns (2006). Other works during this period include The Notebook (2004), 10th & Wolf (2006), and The Alibi (2006). Following his breakthrough in comic book films, Marsden went on to star in various genre films, including Hairspray (2007), which was a critical and commercial success and won many awards for its ensemble cast. As Corny Collins, he sang two songs for the film's soundtrack which has been certified Platinum by the RIAA. He subsequently appeared in the films Sex Drive (2008), The Box (2009), and Straw Dogs (2011). Marsden has also had starring roles in family-friendly films such as Enchanted (2007) and Hop (2011), and leading roles in 27 Dresses (2007), The Best of Me (2014), and Sonic the Hedgehog (2020). In 2012, Marsden starred in a range of independent films such as Small Apartments, Bachelorette, and Robot & Frank. He later returned to television guest-starring in Modern Family (2011), and playing Liz Lemon's love interest, Criss Chros in 30 Rock (2012–2013) in a supporting role. In 2013, Marsden portrayed President John F. Kennedy in Lee Daniels's The Butler, and had a supporting role in Anchorman 2: The Legend Continues. He starred as gunslinging sentient android Teddy Flood in the HBO science fiction series Westworld (2016–2018), as part of the main ensemble. Since 2019, Marsden has starred as Steve and Ben Wood in the Netflix black comedy series Dead to Me. From Wikipedia, the free encyclopedia

James Marsden plays as Steve Wood, Steve Wood, Ben Wood in Dead to Me.
James Marsden is the top #1 member of the cast and appears in 20 episodes.

Christina Applegate (born November 25, 1971) is an American actress and dancer. As a child actress, she started playing the role of Kelly Bundy on the Fox sitcom Married...with Children (1987–1997). In her adult years, Applegate established a film and television career, winning an Emmy Award (for her guest role in the sitcom Friends) and earning Tony and Golden Globe nominations. Applegate has had major roles in several films, including Don't Tell Mom the Babysitter's Dead (1991), The Big Hit (1998), The Sweetest Thing (2002), Grand Theft Parsons (2003), Anchorman: The Legend of Ron Burgundy (2004) and its sequel Anchorman 2: The Legend Continues (2013), Hall Pass (2011), Vacation (2015), and Bad Moms (2016). She has also starred in the 2005 Broadway revival of the musical Sweet Charity, for which she received a nomination for the Tony Award for Best Actress in a Musical. Applegate has played the lead role in the television sitcoms Jesse (1998–2000), Samantha Who? (2007–2009) and Up All Night (2011–12), and in the Netflix dark tragicomedy series Dead to Me (2019–present). Description above from the Wikipedia article Christina Applegate, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Christina Applegate plays as Jen Harding in Dead to Me.
Christina Applegate is the top #2 member of the cast and appears in 20 episodes.

Linda Edna Cardellini (born June 25, 1975) is an American actress. In television, she is known for her leading roles in the teen drama Freaks and Geeks (1999–2000), the medical drama ER (2003–09), the drama thriller Bloodline (2015–17), and the tragicomedy Dead to Me (2019–present), the latter of which earned her a nomination for the Primetime Emmy Award for Outstanding Lead Actress in a Comedy Series. She also guest starred in the period drama Mad Men (2013–15), for which she received a Primetime Emmy Award nomination. Her voice work includes the animated series Scooby-Doo! Mystery Incorporated (2010–13), Regular Show (2012–15), Gravity Falls (2012–16), and Sanjay and Craig (2013–16). In film, Cardellini is best known for her portrayal of Velma Dinkley in Scooby-Doo (2002) and its sequel Scooby-Doo 2: Monsters Unleashed (2004), and her supporting roles in Legally Blonde (2001), Brokeback Mountain (2005), Grandma’s Boy (2006), Kill the Irishman (2011), Avengers: Age of Ultron (2015), The Founder (2016), Green Book, A Simple Favor (both 2018), and Avengers: Endgame (2019). She also starred in the drama Return (2011), earning an Independent Spirit Award for Best Female Lead nomination, the comedies Daddy's Home (2015) and Daddy's Home 2 (2017), and the horror film The Curse of La Llorona (2019). Description above from the Wikipedia article Linda Cardellini, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Linda Cardellini plays as Judy Hale in Dead to Me.
Linda Cardellini is the top #3 member of the cast and appears in 20 episodes.

Luke Roessler plays as Henry Harding in Dead to Me.
Luke Roessler is the top #4 member of the cast and appears in 20 episodes.

Sam McCarthy plays as Charlie Harding in Dead to Me.
Sam McCarthy is the top #5 member of the cast and appears in 20 episodes.

Max Jenkins plays as Christopher Doyle in Dead to Me.
Max Jenkins is the top #6 member of the cast and appears in 10 episodes.