AnnaSophia Robb (born December 8, 1993) is an American actress, model, and singer. She began as a child actress on television, making her leading debut as the titular role in Samantha: An American Girl Holiday (2004). She made her feature film debut in Because of Winn-Dixie (2005), followed by the supporting role of Violet Beauregarde in Tim Burton's Charlie and the Chocolate Factory (2005). Her performance as Leslie Burke in Bridge to Terabithia (2007) garnered her recognition and praise, and two Young Artist Awards. Her subsequent film roles include Race to Witch Mountain (2009), Soul Surfer (2011), and The Way Way Back (2013). She received wider recognition and praise for playing the lead role of Carrie Bradshaw on The CW's series The Carrie Diaries (2013–2014). In 2019, she played the role of Gypsy Blanchard's neighbor Lacey in the Hulu miniseries The Act.

AnnaSophia Robb plays as Emma in Dr. Death.
AnnaSophia Robb is the top #1 member of the cast and appears in 11 episodes.

Joshua Carter Jackson (born June 11, 1978) is a Canadian actor. He has appeared in primetime television and in over 32 film roles. He is best known for playing Charlie Conway in The Mighty Ducks film series, Pacey Witter in the television series Dawson's Creek and Peter Bishop in the television series Fringe. Description above from the Wikipedia article Joshua Jackson, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Joshua Jackson plays as Dr. Christopher Duntsch in Dr. Death.
Joshua Jackson is the top #2 member of the cast and appears in 8 episodes.

Molly Griggs is an actress, known for Servant (2019), Prodigal Son (2019) and Before I Go.

Molly Griggs plays as Wendy Young in Dr. Death.
Molly Griggs is the top #3 member of the cast and appears in 8 episodes.

Carrie Preston (born April 21, 1967) is an American stage and screen actress, producer and director. She is known for her work on the television series True Blood, Person of Interest, Crowded, The Good Wife, The Good Fight, and Claws.

Carrie Preston plays as Elsbeth Tascioni in Dr. Death.
Carrie Preston is the top #4 member of the cast and appears in 5 episodes.

Christian Michael Leonard Slater (born August 18, 1969) is an American actor. He made his film debut playing a leading role in the 1985 film The Legend of Billie Jean. He then played a monk's apprentice alongside Sean Connery in The Name of the Rose before gaining recognition for his breakthrough role in the cult film Heathers. In the 1990s Slater featured in many big budget films including Robin Hood: Prince of Thieves, Interview with the Vampire: The Vampire Chronicles, Broken Arrow and Hard Rain. He was also featured in the cult film True Romance. Since 2000 Slater has combined work in the film business with television, including appearances in The West Wing and Alias. Slater was married to Ryan Haddon between 2000 and 2005; they had two children together. Slater has had widely publicized brushes with the law, including being sentenced to three months in jail for assault in 1997.

Christian Slater plays as Harry Morgan in Dr. Death.
Christian Slater is the top #5 member of the cast and appears in 1 episodes.

An American actor who has appeared on film, stage, and television. Baldwin first gained recognition through television for his work, for two seasons (6 and 7), on the soap opera Knots Landing, in the role of Joshua Rush. He has since played both leading and supporting roles in films such as Beetlejuice (1988), The Hunt for Red October (1990), The Marrying Man (1991), The Shadow (1994), Notting Hill (1999), Thomas and the Magic Railroad (2000), Final Fantasy: The Spirits Within (2001), The Aviator (2004) and The Departed (2006). His performance in the 2003 film The Cooler garnered him a nomination for the Academy Award for Best Supporting Actor. Since 2006 he has starred as Jack Donaghy on the NBC sitcom 30 Rock, receiving critical acclaim for his performance and winning two Emmy Awards, four Golden Globe Awards, and seven Screen Actors Guild Awards for his work on the show, making him the single male with most SAG's ever. He is the oldest of the Baldwin brothers working in Hollywood. Description above from the Wikipedia article Alec Baldwin, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Alec Baldwin plays as Self in Dr. Death.
Alec Baldwin is the top #6 member of the cast and appears in 1 episodes.

Grace Gummer is an American actress. She received a Theatre World Award for her Broadway debut in the 2011 revival of Arcadia. Her television work includes recurring roles on the HBO series The Newsroom (2013–14), and the FX series American Horror Story: Freak Show (2014–15), as well as regular roles on the CBS series Extant (2014–15) and USA series Mr. Robot (2016–present).

Grace Gummer plays as Dr. Claire Logan in Dr. Death.
Grace Gummer is the top #7 member of the cast and appears in 1 episodes.