Additionally, she has made guest appearances in a number of television series, including Grey's Anatomy, Scandal, One Tree Hill, Charmed, Ghost Whisperer, The Unit, Boston Legal, Bones, Frasier, Ally McBeal, Criminal Minds, Private Practice, Fargo, Better Call Saul, The Boys, and The Good Doctor.
With her sister Joan and brother John, she trained at the Piven Theatre Workshop[8] in Evanston and the Berklee College of Music in Boston, Massachusetts.
Cusack has made guest appearances in Grey's Anatomy, Scandal, One Tree Hill, Charmed, Ghost Whisperer, The Unit, Boston Legal, Bones, Frasier, Ally McBeal, Criminal Minds, Private Practice, and Castle among others.
In 2016, she played Donna Dent in the Clint Eastwood-directed Warner Bros. film Sully, about Chesley Sullenberger and the events of Flight 1549, starring Tom Hanks.
[11][12][13] Cusack married actor Jim Piddock on April 1, 2023 in a private ceremony in their home in Los Angeles, California.