Prolific actress Glenn Headly has passed away at the age of 63.

Headly was known for several roles across both film and television, most notably Dirty Rotten Scoundrels alongside Steve Martin and Michael Caine, Mr. Holland's Opus alongside Richard Dreyfuss and most recently as Alison Crowe in HBO's The Night Of. Headly was one of the originating members of the Steppenwolf Theatre Company, a highly-respected theatre company in Chicago that launched the careers of John Malkovich, Gary Sinise, Gary Cole, Joan Allen and many others.

Headly was in the middle of filming Future Man, a new series for Hulu, and is survived by her husband Byron McCulloch and Stirling. The cause of her death has not been determined as of yet.