Sherlock Holmes

Robert Downey Jr.

(Sherlock Holmes)

Jude Law

(Dr. John Watson)

Rachel McAdams

(Irene Adler)

Mark Strong

(Lord Henry Blackwood)

Eddie Marsan

(Inspector Lestrade)

Robert Maillet

(Dredger)

Geraldine James

(Mrs. Hudson)

Kelly Reilly

(Mary Morstan)

William Houston

(Constable Clark)

Hans Matheson

(Lord Coward)

James Fox

(Sir Thomas Rotheram)

William Hope

(Ambassador Standish)

Clive Russell

(Captain Tanner)

Oran Gurel

(Reordan)

David Garrick

(McMurdo)

Ky Discala

(Maid)

Andrew Brooke

(Guard Captain)

Tom Watt

(Carriage Driver)

John Kearney

(Carriage Driver)

Sebastian Abineri

(Coach Driver)

Jonathan Gabriel Robbins

(Guard)

James A. Stephens

(Captain Philips)

Terence Taplin

(Groundskeeper)

Bronagh Gallagher

(Palm Reader)

Joe Egan

(Big Man)

Jefferson Hall

(Young Guard)

Miles Jupp

(Waiter)

Marn Davies

(Police Officer)

Andrew Greenough

(Prison Guard)

Ned Dennehy

(Man with Roses)

Martin Ewens

(Removable Man)

James Greene

(Governor)

David Emmings

(Grave Policeman)

Ben Cartwright

(Grave Policeman)

Chris Sunley

(Grave Policeman)

Michael Jenn

(Preacher)

Timothy O'Hara

(Porter / Smith)

Guy Williams

(Golden Dawn Envoy)

Peter Miles

(Thug)

Rocco Ritchie

(Boy in the Street (uncredited))