Life and CareerEdit
Hagan was born in Minneapolis, Minnesota, the daughter of Mary Elizabeth (née Henslee) and John Robert Hagan. She was raised in Fort Wayne, Indiana and attended Northwestern University. Hagan played Diana Luna alongside Chuck Norris on the 1985 cult action film Code of Silence. Hagan has made appearances in films such as Some Kind of Wonderful and most notably as the young Miss Ellie Ewing in the television movie Dallas: The Early Years (a prequel of the long-running soap opera Dallas) and she has appeared in several other television series, including the 1980s situation comedy The Golden Girls. Hagan starred in the cult series Nutt House, which had a six-week run in 1989, and Herman's Head which ran on Fox from 1991 to 1994. She portrayed Angel, one of the four characters inside Herman, and represented his sensitivity. She was in two episodes of the detective mystery series Columbo, namely Murder, Smoke and Shadows (1989), and Butterfly in Shades of Grey (1994). She also appeared twice on Murder, She Wrote (in two different roles). In the end of the second season of Star Trek: Deep Space Nine, she played a young Vorta called Eris in "The Jem'Hadar". She appeared in three episodes of the third season of Becker, she also appeared on Seinfeld as Sister Roberta, the Latvian Orthodox novice that Kramer nearly took from the church, and a cooking teacher on Friends.
She played a trailer trash mother in a Jerry Springer-based movie, Ringmaster. She played Diane McAllister in the 1999 movie Election opposite Matthew Broderick. Hagan also played Coach Crenshaw in Air Bud: Seventh Inning Fetch. Hagan played Emma Roberts's mother in the Nickelodeon series Unfabulous from 2004 to 2007. She also made a guest appearances in many television series, such as Charmed, Bones, Grey's Anatomy, Desperate Housewives, Ghost Whisperer, Cold Case, Private Practice, The Closer, and NYPD Blue. Hagan also appeared in Disney Channel Original Movie Princess Protection Program in 2009, and had another guest appearance in an episode of the Disney Channel sitcom Liv and Maddie. In 2014, Hagan was cast as the lead character's mother in The CW series, IZombie, based on the DC Comics.