Megalyn Ann Echikunwoke was born May 28, 1983 in Spokane, Washington. Her father is Nigerian and her mother is of Caucasian descent. Her last name Echikunwoke means "leader of men" and Megalyn is the granddaughter of a Nigerian tribal leader of the Igbo, which technically makes her African royalty. She is known for playing "Nicole Palmer" in the first season of 24 (2001), "Angie Barnett" (Kelso's girlfriend) in the seventh season of That '70s Show (1998) and "Isabelle Tyler" in The 4400 (2004). She was raised on a Navajo Indian Reservation in Chinle, Arizona. In early 2008, she starred opposite Alessandro Nivola in an independent movie, directed by Jerry Zaks, titled Who Do You Love (2008) where she played a heroin-addicted lounge singer. She did all of her own singing in the movie.

Megalyn Echikunwoke plays as Esme Rawls in Into the Dark.
Megalyn Echikunwoke is the top #1 member of the cast and appears in 24 episodes.

Natalie Martinez is an American actress and model, known as the spokesmodel for JLO by Jennifer Lopez, and for her supporting role in Death Race. She has appeared in several music videos and telenovelas.

Natalie Martinez plays as Amy Kindelán in Into the Dark.
Natalie Martinez is the top #2 member of the cast and appears in 13 episodes.

Rebecca Rittenhouse (born Rebecca Rittenhouse Meaders; November 30, 1988) is an American actress. She starred as Cody LeFever in the ABC prime time soap opera, Blood & Oil and played the role Dr. Anna Ziev in the Hulu romantic comedy The Mindy Project. Description above from the Wikipedia article Rebecca Rittenhouse, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Rebecca Rittenhouse plays as Maggie in Into the Dark.
Rebecca Rittenhouse is the top #3 member of the cast and appears in 13 episodes.

Tom Bateman is an English actor. He was born on 15 March 1989, to two teachers, one of fourteen children and has a twin brother. Brought up in Jericho in Oxford he attended Cherwell School before joining the National Youth Theatre and enrolling at the London Academy of Music and Dramatic Art, where he was awarded the Leverhulme Scholarship.

Tom Bateman plays as Matt Pierce in Into the Dark.
Tom Bateman is the top #4 member of the cast and appears in 8 episodes.

Dermot Mulroney (born October 31, 1963) is an American actor. He is known for his roles in romantic comedy, western, and drama films. Appearing on screen since 1986, he is known for his work in various films such as Young Guns (1988), Staying Together (1989), Where the Day Takes You (1992), Point of No Return (1993), Angels in the Outfield (1994), My Best Friend's Wedding (1997), About Schmidt (2002), The Wedding Date (2005), Zodiac (2007), August: Osage County (2013), Insidious: Chapter 3 (2015), and the HBO films The Last Outlaw (1993) and Long Gone (1987). Mulroney played the main antagonist Francis Gibson in NBC's Crisis (2014), Dr. Walter Wallace in Pure Genius (2016–2017), Sean Pierce in Showtime's Shameless (2015–2017) and Bobby Sheridan in USA's The Purge (2018–2019).

Dermot Mulroney plays as President Ritson in Into the Dark.
Dermot Mulroney is the top #5 member of the cast and appears in 1 episodes.