Her father was an advertising executive, writer and actor, and her mother was a math teacher.

John was born in Evanston, Illinois, to an Irish-American family. Joan Cusack, Actress: In & Out.

Her siblings - Susie Cusack, John Cusack, Ann Cusack and Bill Cusack also act. Actress Joan Cusack was born in New York City, New York, and is the daughter of Nancy (née Carolan) and Dick Cusack.

Her family is of Irish descent.

2008 animated horror comedy film with John Cusack voicing the title character 2008 animated film starring the voice talent of John Cusack in the title role 2005 romcom starring Diane Lane and John Cusack 1997 action film starring Nicolas Cage and John Cusack With the exception of mom Nancy (née Carolan), a former math teacher, the Cusack clan is all show business: father Dick Cusack was an actor and filmmaker, and John's siblings Joan Cusack, Ann Cusack, Bill Cusack and Susie Cusack are all thespians by trade. The son of actor Richard Cusack and younger brother of comic actress Joan Cusack, John …