Leticia Juarez and a maid at the Metro Court. Dr. Leo Julian (Dominic Rains, 2007–08) JT (deceased) (Greg Cipes, 2011) Drug dealer working for Anthony Zacchara. Drugs Lucky Spencer. Dies in a shootout caused by Johnny Zacchara. K Lydia Karenin (Jessica Ferrarone, 2003) (J. Robin Miller, 2003) Socialite who is briefly married to Nikolas Cassadine. Runs away with . Andrei Karpov (deceased) (Ilia Volok, 2008) Eastern European mafia leader seeking an alliance with Sonny Corinthos so he can put several operations into motion in Port Charles. Shot multiple times and killed by Sonny. Peter Kaufman (Eugene Robert Glazer, 1992) Dr. Ewen Keenan (deceased) (Nathin Butler, 2011–12) Psychiatrist at Shadybrook Sanitarium and General Hospital. Counsels Elizabeth Webber and helps Shawn Butler with his post-traumatic stress disorder. Treats Kate Howard with her dissociative identity disorder. Dates Elizabeth Webber. Holds Robin Scorpio captive while working for Jerry Jacks, who blackmails him due to his long history with the Jacks family. He dies after being shot by Jason Morgan as Jason is saving Elizabeth Webber from Ewen after Ewen kidnaped Elizabeth. Joe Kelly (Doug Sheehan, 1978–83) Private detective turned lawyer who investigates Diana Taylor's murder. Stepson of Rose Kelly. Romantic feelings for virginal Ann Logan. Paddy Kelly (deceased) (Frank Parker, 1980) Husband to Rose Kelly and father of Joe Kelly. Murdered by the mob in Port Charles. Rose Kelly (Loanne Bishop, 1980–84) Original owner of Kelly's Diner. Husband Paddy Kelly is killed by the mob. Stepmother of Joe Kelly and foster mother of Lou Swenson. Gets involved with Jake Meyer. Jack Kensington Jr. (Michael Stadvec, 1992) Son of Jack Kensington Sr.. Jack Kensington Sr. (Stan Ivar, 1992) Senator. Father of Jack Kensington Jr.. Cassius Kibideaux (Reign Morton, 2007–08) Orderly at General Hospital. Helps Epiphany Johnson cope with her son's death and subsequent heart attack. Warren Kirk (Christopher Cousins, 2020) (Jamison Jones, 2020) Richard Klein (Gene Farber, 2017) Rafe Kovich Jr. (deceased) (Jimmy Deshler, 2013–14) Son of Rafe Kovich Sr and Allison Barrington. Friends with Molly Lansing. Involved in a car crash that caused him to go brain dead. Kris (Ken Foree, 1992) L David Langton (deceased) (Jeff Pomerantz, 1992) Father of Dawn Winthrop, with Monica Quartermaine, and Nicki Langton, with Penelope Adler. A humanitarian and Vietnam veteran; dies of a heart attack. Nikki Langton (Camille Cooper, 1992–93) Daughter of David Langton and Penelope Adler. Sues Monica Quartermaine for malpractice as revenge for her father's