Kate Roberts is a fictional character from Days of Our Lives, an American soap opera on the NBC network.

The character was created by Days of Our Lives head writer Sheri Anderson, and first portrayed by actress Deborah Adair in 1993.

[6] The character was reintroduced on January 25, 1996, under the pen of head writer James E. Reilly, and played by Lauren Koslow, who had previously starred on The Bold and the Beautiful.

She is portrayed as a stoic, aggressive and family-oriented woman who is generally loving and supportive, but often interferes in her friends and relatives lives through any means she thinks necessary.

When Kate arrives in Salem (the town where the soap opera is set) in 1993 she is single, with one adult son, Lucas Roberts.

[10] Some sources confuse Kate Roberts with 1970s Days of Our Lives character Dr Kate Winograd (played by Elaine Princi),[11][12] who was Head of Anesthesiology at Salem University Hospital, and who had a friendship and attraction with her colleague Bill Horton in Days of Our Lives episodes broadcast from 1977 to 1979.

[14] In February 1993, businesswoman Kate (Deborah Adair) arrives in Salem to work at Titan Publishing Company for Victor Kiriakis (John Aniston).

Kate's son, Lucas Roberts (Bryan Dattilo) joins her in Salem, on a spring break from West Point Military Academy.

[15] A man named Curtis Reed (Nick Benedict) arrives in Salem and starts blackmailing Kate about her past.

Billie is found to be innocent when it is discovered that Curtis was accidentally shot during a scuffle with Stefano DiMera (Joseph Mascolo).

However, Kate has just persuaded a dying man to sign a false confession and Sami is saved, and she and Lucas both go free.

However, she blows her chances, when she is caught in flagrante delicto with Mob Boss Vincent Moroni (Carl Weintraub) she conspires with him to kill Victor at the coronation of Greta Von Amberg.

She mourns him deeply, but it doesn't stop her from destroying Roman's daughter, Sami's relationship with her son, Lucas.

Kate encourages Philip to spend more time with Belle Black (Martha Madison) Cassie is also (apparently) murdered.

Kate is found holding the bloody knife and is arrested, but in reality, Cassie and Roman's apparent deaths, as well as several other Salem residents, are staged in a plot by André DiMera (Thaao Penghlis).

Kate begins a relationship with John Black (Drake Hogestyn) after helping him deal with a drug addiction.

Lucas and Sami are deeply in love and are set to marry again, and this time Kate fails to stop it, despite her best efforts.

Stefano provides her with enough money to start her own business called "Kate's Hearth and Home", a Martha Stewart-like brand of housewares.

Kate turns her attention back to Philip, who is in trouble with John Black and to her granddaughter, Chelsea Brady (Rachel Melvin) who is recovering from surgery.

Chelsea's surgery is successful and soon starts dating her surgeon, Daniel Jonas (Shawn Cristian) in November 2008, Kate is diagnosed with stage IV lung cancer and receives bone marrow from Chloe Lane.

On August 31, 2011, Kate announces to Victor plans to resurrect Countess Wilhelmina Cosmetics with brand expansion and new product ideas, under Titan's rule, with Billie's blessing.

Upon Stefano's return from Alamania, he holds a romantic dinner for Kate with all of her favorite foods, then reveals that he knows about her affair with Ian.

Ian then offers Kate a job as co-CEO of MadWorld, to work alongside Madison James as competition against Sami.

However, during a town-wide disaster, when Salem is rocked with a series of explosions, Ian reveals that he is actually the one who is behind the death of Stefano and framing of EJ, and that he only loved Madison and is merely using Kate to take the DiMera fortune.

Kate is challenged in 2013 when Chloe Lane and her mother, Nancy Wesley (Patrika Darbo) return to Salem and it turns out that Parker is actually Daniel's son.

Kate eventually starts a secret relationship with Rafe Hernandez (Galen Gering) after they have a drunken one-night stand.

Kate begins a series of ill-fated short-lived romantic relationships with some extremely dubious and villainous men; the drug lord, Clyde Weston, her ex-husband, Victor Kiriakis's no-good half-brother, Deimos Kiriakis, Rafe and Gabi's assassin father, Eduardo Hernandez and then the serial-killer, André DiMera, whom she marries.

Kate finds out that Vivian is framing Sonny Kiriakis (Freddie Smith) the current CEO of Titan Industries for sexual harassment.

EJ blackmails her into signing over her shares of DiMera to in exchange for keeping silent for Lucas' kidnapping of Sami, and she asks Victor to help hide away Philip for mental help after he attacks and a frames Brady Black for his disappearance due to a love triangle with Chloe Lane.

In 2000, Koslow received a Soap Opera Digest Award nomination for Outstanding Supporting Actress for her portrayal of Kate.