The Marchioness

Overview

Sherlock’s brother, Mycroft, arrives in New York and enlists Holmes and Watson to help solve a case involving his former fiancée. Meanwhile, Sherlock has a difficult time accepting Mycroft and Joan’s relationship.

Guest Stars

Rhys Ifans

Mycroft Holmes

Olivia D'Abo

Nigella Mason

Phyllis Somerville

Miriam Berg

Andrew Samonsky

El Mecanico

Joe Forbrich

Brad Scheff

Jane Pfitsch

Lisanne

Orlagh Cassidy

Maris

Christopher Tocco

Will