Glenne Aimee Headly (March 13, 1955 – June 8, 2017) was an American actress. She was widely known for her roles in Dirty Rotten Scoundrels, Dick Tracy, and Mr. Holland's Opus. Headly received a Theatre World Award and four Joseph Jefferson Awards and was nominated for two Primetime Emmy Awards.

In 2017, she starred in The Circle and Just Getting Started, the latter marking her final film role, released six months after her death. She also starred with Ed Begley Jr. and Josh Hutcherson in Future Man, Hulu's half-hour comedy television series produced by Seth Rogen and Evan Goldberg; she died on June 8, 2017, mid-way through filming the series.