Check out what their shows are about, who they'll be playing and where and when they can be watched.
Name: Martha Plimpton
Show: "The Real O'Neals"
What It's About: After a close-knit Catholic family in Chicago comes clean to each other, their personal secrets will reveal their actual lives and offer a reality check.
Who She Plays: Eileen, O'Neal, a devoted wife and mother, determined to keep her family together
When/Where You Can Watch: ABC, Fall 2015
Name: Mireille Enos
Show: "The Catch"
What It's About: Alice Vaughan, a fraud investigator, is poised to be the victim of a fraud by her fiancé. Between cases, she's determined to find him before it ruins her career.
Who She Plays: Alice Vaughan, a fraud investigator
When/Where You Can Watch: ABC, Fall 2015
Name: Alison Pill
Show: "The Family"
What It's About: Claire Warren announces her candidacy for governor when her son, Adam, who was presumed dead after being kidnapped twelve years earlier, returns home.
Who She Plays: Willa Warren, daughter of the mayor of fictional Red Pines, CA
When/Where You Can Watch: ABC, Spring 2016
Name: Jane Lynch
Show: "Angel from Hell"
What It's About: Alison isn't sure if her new friend Amy is her guardian angel or a crazy person.
Who She Plays: Amy, a mysterious woman who reveals herself to be an angel
When/Where You Can Watch: CBS, Thursdays at 9:30/8:30 PM c, starting Nov. 5
Name: Thomas Sadoski
Show: "Life in Pieces"
What It's About: Chronicles of a family as told from each character's point of view based on their own version of events
Who He Plays: Matt Short
When/Where You Can Watch: CBS, Mondays at 8:30/7:30 PM c, starting Sep. 21
Name: Dianne Wiest
Show: "Life in Pieces"
What It's About: Chronicles of a family as told from each character's point of view based on their own version of events
Who She Plays: Joan Short
When/Where You Can Watch: CBS, Mondays at 8:30/7:30 PM c, starting Sep. 2
Name: Marcia Gay Harden
Show: "Code Black"
What It's About: Based on a documentary by Ryan McGarry, this series takes place in an overcrowded and understaffed emergency room in Los Angeles.
Who She Plays: Dr. Leanne Rorish, ER Residency Director
When/Where You Can Watch: CBS, Wednesdays at 10:00/9:00 PM c, starting Sep. 30
Name: Jeremy Jordan
Show: "Supergirl"
What It's About: Based on a comic book, this series follows Kara Zor-El, Superman's cousin and one of the last living Kryptonians.
Who He Plays: Winslow "Winn" Schott/Toyman, one of Supergirl's coworkers
When/Where You Can Watch: CBS, Mondays at 8:30/7:30 PM c, starting Oct. 26
Name: Laura Benanti
Show: "Supergirl"
What It's About: Based on a comic book, this series follows Kara Zor-El, Superman's cousin and one of the last living Kryptonians.
Who She Plays: Alura Zor-El, Supergirl's biological mother
When/Where You Can Watch: CBS, Mondays at 8:30/7:30 PM c, starting Oct. 26
Name: John Stamos
Show: "Grandfathered"
What It's About: A recently divorced bachelor and restaurant owner discovers he has a son, and also a granddaughter, thanks to a one-night stand he had years ago.
Who He Plays: Jimmy Martino
When/Where You Can Watch: FOX, Tuesdays at 8:00/7:00 PM c, starting Sep. 29
Name: Stark Sands
Show: "Minority Report"
What It's About: Based on the movie of the same title, the series is set in Washington, DC in 2065 and follows Dash as he tries to assistive a detective in preventing crimes.
Who He Plays: Dash, a Precog who has the ability to detect crimes
When/Where You Can Watch: FOX, Mondays at 9:00/8:00 PM c, starting Sep. 2
Name: Ariana Grande
Show: "Scream Queens"
What It's About: The first season of this series will center on murders involving the Kappa Kappa Tau sorority.
Who She Plays: Chanel #2, a member of the Kappa sorority
When/Where You Can Watch: FOX, Tuesdays at 9:00/8:00 PM c, starting Sep.
Name: Lea Michele
Show: "Scream Queens"
What It's About: The first season of this series will center on murders involving the Kappa Kappa Tau sorority.
Who She Plays: Hester "Scoliosis," a pledge with a neckbrace
When/Where You Can Watch: FOX, Tuesdays at 9:00/8:00 PM c, starting Sep.
Name: Keke Palmer
Show: "Scream Queens"
What It's About: The first season of this series will center on murders involving the Kappa Kappa Tau sorority.
Who She Plays: Zayday Williams, a pledge with a genius IQ
When/Where You Can Watch: FOX, Tuesdays at 9:00/8:00 PM c, starting Sep.
Name: Nick Jonas
Show: "Scream Queens"
What It's About: The first season of this series will center on murders involving the Kappa Kappa Tau sorority.
Who He Plays: Boone, a member of the Dollar Scholars fraternity
When/Where You Can Watch: FOX, Tuesdays at 9:00/8:00 PM c, starting Sep.
Name: Neil Patrick Harris
Show: "Best Time Ever with Neil Patrick Harris"
What It's About: An hour-long variety series based on the British series "Ant & Dec's Saturday Night Takeaway"
Who He Plays: Himself
When/Where You Can Watch: NBC, Tuesdays at 10:00/9:00 PM c, starting Sept. 15
Name: Santino Fontana
Show: "Crazy Ex-Girlfriend"
What It's About: This musical series centers around Rebecca Bunch, a single woman doing everything she can to reconnect with her ex-boyfriend and soul mate.
Who He Plays: Greg
When/Where You Can Watch: The CW, starting Oct. 1