In the Nov. 2 episode, Arquette will appear again as Special Agent Avery Ryan, the head of FBI's Cyber Crime Division. She first appeared in a backdoor pilot for Cyber in the spring.
CSI returns Sunday, Sept. 28 at 10/9c on CBS. CSI: Cyber, which also stars James Van Der Beek and Peter MacNicol, will take over the timeslot midseason.
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