WHEN THE MEMBER OF AN ANONYMOUS HACKER GROUP IS MURDERED, HOLMES AND WATSON ARE DRAWN INTO A CIVIL WAR PLAYING OUT ON THE INTERNET, ON "ELEMENTARY," THURSDAY, APRIL 9

"One Watson, One Holmes" - Holmes and Watson find themselves in the middle of a civil war being fought on the Internet when a member of Everyone, the anonymous hacker group they periodically work with, is murdered, on ELEMENTARY, Thursday, April 9 (10:00-11:00 PM, ET/PT), on the CBS Television Network.

REGULAR CAST:

Jonny Lee Miller (Sherlock Holmes)
Lucy Liu (Joan Watson)
Aidan Quinn (Captain Tommy Gregson)
Jon Michael Hill (Detective Marcus Bell)

GUEST CAST:

Joseph Cross (Petros Franken)
Adam Chanler-Berat (Brady Dietz)
Rosyln Ruff (Agent Branch)
Steve Routman (Mr. Briggs)
Lucy Owen (Rachel Carter)
Will Pullen (Caleb Hill)
Erik Heger (Cory Evans)
Gretchen Hall (Marnie)
Susan Pourfar (Emily Hankins)
Alicia Harding (Katherine)

WRITTEN BY: Robert Hewitt Wolfe

DIRECTED BY: John Polson