Throughout Harrington's career, Delphi Harrington was known for Harrington's acting talents in dramatic television shows. Harrington worked on a variety of projects during Harrington's early entertainment career, including "All My Children" (ABC, 1969-2011), "Guiding Light" (CBS, 1951-2009), "Ryan's Hope" (ABC, 1974-1989) and "Where the Heart Is" (CBS, 1969-1973). Harrington's work around this time also included a part on the TV movie "A Good Sport" (1983-84). Harrington also appeared in the TV special "My Palikari" (1981-82). Harrington also worked in television during these years, including a part on "Law & Order" (1990-2010). Harrington also appeared in the Peter Falk comedy "Cookie" (1989) during these years. Harrington also was featured in the TV movie "Breathing Lessons" (1993-94). Harrington also worked in television during these years, including a part on "Swans Crossing" (1991-92). Harrington most recently acted on "Law & Order: Special Victims Unit" (1999-).