Molly Hagan (born in Minneapolis, Minnesota on August 3, 1961) is an American actress. Hagan has made appearances such as Some Kind of Wonderful and in several TV shows. She was in two Columbo episodes. In the end of the second season of Star Trek: Deep Space Nine she played a young Vorta called Eris in The Jem'Hadar. Another notable role was as Angel in seminal 90's Fox sitcom Herman's Head. She also appeared on Seinfeld as Sister Roberta, the nun that Kramer nearly took from the church. She played a trailer trash mother in a Jerry Springer based movie, Ringmaster.
She also made a guest appearance as Karen Young in The WB television series Charmed for the episode The Fifth Halliwheel. She currently plays Emma Roberts's mother in the Nickelodeon series Unfabulous.