All In

All In is the nineteenth episode of season four of Elementary. It first aired on CBS on the 10th April, 2016.
== Summary ==
A mysterious woman who organizes illegal, high-stakes poker games arrives on Holmes and Watson's doorstep and tells them her life is in danger claiming to be a former associate of Mycroft, Sherlock's brother. However, as the pair investigates, Joan becomes suspicious that their new client isn't being truthful.
== Plot ==
== Cast ==
=== Regular ===
* Jonny Lee Miller - Sherlock Holmes
* Lucy Liu - Joan Watson
* Aidan Quinn - Captain Thomas Gregson
* Jon Michael Hill - Detective Marcus Bell
=== Recurring ===
* John Noble - Morland Holmes
* Jordan Gelber - ME Hawes
* Monique Gabriela Curnen - Detective Gina Cortes
=== Guest ===
* Samantha Quan - Lin Wen
* Sepideh Moafi - Sofia Darrow
* Tim Guinee - Agent Dean McNally
* Kushtrim Hoxha - Tugay Celik
* Jonathan Avigdori - Vural Celik
* Daniel London - Manteo Pena
* Grainger Hines - James "Jimmer" Hobberkin, Jr.
* Nadia Dajani - ME Grannis
* Stephen DeRosa - Mel Cheney
== Season Three Navigation ==
de:Hoch gepokert
es:All In
Category:Elementary: Season 4