Robert Downey Jr.
Sherlock Holmes
Rachel McAdams
Irene Adler
Mark Strong
Lord Henry Blackwood
Eddie Marsan
Inspector Lestrade
Geraldine James
Mrs. Hudson
William Houston
Constable Clark
James Fox
Sir Thomas Rotheram
William Hope
Ambassador Standish
Clive Russell
Captain Tanner
Andrew Brooke
Guard Captain
John Kearney
Carriage Driver
Sebastian Abineri
Coach Driver
Jonathan Gabriel Robbins
Guard
James A. Stephens
Captain Philips
Terence Taplin
Groundskeeper
Bronagh Gallagher
Palm Reader
Jefferson Hall
Young Guard
Marn Davies
Police Officer
Andrew Greenough
Prison Guard
Ned Dennehy
Man with Roses
Martin Ewens
Removable Man
Amanda Grace Johnson
Young Woman Sacrifice
David Emmings
Grave Policeman
Ben Cartwright
Grave Policeman
Chris Sunley
Grave Policeman
Timothy O'Hara
Porter / Smith
Guy Williams
Golden Dawn Envoy
Rocco Ritchie
Boy in the Street (uncredited)