On CSI: Cyber, agent Avery Ryan (Patricia Arquette) and the team look into the abductions of young women whose Facebook and Twitter accounts are being kept up to date. Ryan also finds time to help Trish McCarthy cope with the death of her sister, one of Ryan’s former patients. Trish McCarthy is portrayed by Patricia Arquette’s real life sister, Rosanna Arquette.
Rosanna Arquette is best known for her roles in films including Desperately Seeking Susan, After Hours, 8 Million Ways to Die, Nobody’s Fool, Pulp Fiction, and Crash, among others. Or you might recognize her from her roles on The L Word (Cherie), and Ray Donovan (Linda). The Arquette sister episode of CSI: Cyber airs April 22 at 10pm on CBS.
— Patricia Arquette (@PattyArquette) April 21, 2015