Elementary One Watson, One Holmes (Season 3, Episode 19)
TV-14
TV Episode | 43 min | Crime, Drama, Mystery

Primary photo for One Watson, One Holmes

Elementary

One Watson, One Holmes (Season 3, Episode 19)

TV-14

TV Episode | 43 min | Crime, Drama, Mystery

Holmes and Watson are drawn into an Internet war when a member of the everyone hacker group is murdered.

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Cast	+ Add Cast
19 cast members

Name	Known for
Jonny Lee Miller Sherlock Holmes Sherlock Holmes See fewer	Æon Flux (2005)
Lucy Liu Dr. Joan Watson Dr. Joan Watson See fewer	Kill Bill: Vol. 1 (2003)
Jon Michael Hill Detective Marcus Bell Detective Marcus Bell See fewer	Widows (2018)
Aidan Quinn Captain Thomas Gregson Captain Thomas Gregson See fewer	Benny & Joon (1993)
Joseph Cross Petros Franken Petros Franken See fewer	Lincoln (2012)
Adam Chanler-Berat Brady Dietz Brady Dietz See fewer	Delivery Man (2013)
Roslyn Ruff Agent Branch Agent Branch See fewer	Rachel Getting Married (2008)
Lucy Owen Rachel Carter Rachel Carter See fewer	Miss Sloane (2016)
Will Pullen Caleb Hill Caleb Hill See fewer	The Unforgivable (2021)
Susan Pourfar Emily Hankins Emily Hankins See fewer	Black Mirror (2011)
Gretchen Hall Marnie Marnie See fewer	Person of Interest (2011)
Alicia Harding Katherine Katherine See fewer	Bull (2016)
Erik Heger Cory Evans Cory Evans See fewer	Law & Order (1990)
Steve Routman Mr. Briggs Mr. Briggs See fewer	Killers of the Flower Moon (2023)
Matthew Cárdenas Waiter (uncredited) Waiter (uncredited) See fewer	Lehte (2015)
Samantha Lee Johnson Restaurant Patron (uncredited) Restaurant Patron (uncredited) See fewer	Patti and Me, Minus Patti (2013)
Keith Mackler Errol White (uncredited) Errol White (uncredited) See fewer	Black Out (2022)
Ashley North FBI Agent (uncredited) FBI Agent (uncredited) See fewer	Cafe con Leche Reality Talk Show (2017)
Frankie Verroca Union City Jail Inmate (uncredited) Union City Jail Inmate (uncredited) See fewer	1941 (1979)