Sherlock Holmes

Will Ferrell

Acting

Dr. John Watson

John C. Reilly

Acting

Dr. Grace Hart

Rebecca Hall

Acting

Mrs. Martha Hudson

Kelly Macdonald

Acting

Inspector Lestrade

Rob Brydon

Acting

Millie

Lauren Lapkus

Acting

Queen Victoria

Pam Ferris

Acting

Prof. James Moriarty / Jacob Musgrave

Ralph Fiennes

Acting

Brawn

Adam Scherr

Acting

PC Smalls

Kieran O'Brien

Acting

Doxy

Noah Jupe

Acting

Flotsam

Bella Ramsey

Acting

Haybag

Colby Mulgrew

Acting

Pickle

Scarlet Grace

Acting

Mud Fog

Billy Jenkins

Acting

The Judge

Michael Culkin

Acting

Lestrade's Wife

Jana Pérez

Acting

Sigmund Freud

Wolf Roth

Acting

Mark Twain

Nathan Osgood

Acting

Albert Einstein

David Shackleton

Acting

Charlie Chaplin

Paul Cassidy

Acting

Houdini

Ben Lee

Acting

Jonathan Nightingale

Bronson Webb

Acting

Mrs. Nightingale

Jamie-Rose Monk

Acting

Billy Zane

Billy Zane

Acting

Butler

Jason Thorpe

Acting

Waiter

Robert Cawsey

Acting

Waiter

Stanley Eldridge

Acting

Telegraph Operator

Oliver Maltman

Acting

Hudson's Guard

David Stoller

Acting

Newschild

Jack Riley

Acting

Newschild

Lilly Aspell

Acting

Newschild

Ethan Rouse

Acting

Newschild

Ellie Rose Eames

Acting

Titanic Ship Officer Liaison

Jamie Baughan

Acting

Titanic Guest

Helen Duff

Acting

Hangman

Jess Liaudin

Acting

Weird Child Companion

Wesley Kent-Hargreaves

Acting

Drooling Man Companion

Daniel Fearn

Acting

Disorientated Man Companion

Darren Lake

Acting

Priest

Martin Bishop

Acting

Titanic Ship Officer

Gerard Monaco

Acting

Fight Fan #1

Michael Buffer

Acting

Fight Fan #2

Bruce Buffer

Acting

Announcer

Russell Wilcox

Acting

Young Sherlock Holmes

Hector Bateman-Harden

Acting

Young Watson

Codie-Lei Eastick

Acting

Sherlock's Mother

Laura Stevely

Acting

Nicotine Stains / Nancy

Layla Rose Boyce

Acting

Jane

Sadie Newman

Acting

Seamus

Harry Baxendale

Acting

Bridgette

Ella Bright

Acting

Headmaster

Kenneth Hadley

Acting

Teacher #1

Paul Bigley

Acting

Teacher #2

Sue Maund

Acting

Inky Hands

Tommy Gene Surridge

Acting

Tough Kid

Paddy Holland

Acting

Mycroft Holmes (uncredited)

Hugh Laurie

Acting

Gustav Klinger (uncredited)

Steve Coogan

Acting

Mr. Algernon Barkworth (uncredited)

Phil Hodges

Acting

Mrs. Frobisher (uncredited)

Sara Beasley

Acting

Manager Mr. Petrucka (uncredited)

James Eeles

Acting

John (uncredited)

Paul T.T. Easter

Directing

Herbert (uncredited)

Jordan Long

Acting

Doxy's Dad (uncredited)

Sonnyboy Skelton

Acting

Newsie Man (uncredited)

Willem Dalby

Acting

Newsie Kid - Jimmy (uncredited)

Riley White

Acting

Newsie Kid - Timmy (uncredited)

Lochlan White

Acting

Instructing Solicitor (uncredited)

John Kinory

Acting

Courtroom Person 3 (uncredited)

Benjamin Lok

Acting

Fitness Instructor (uncredited)

Joseph Macnab

Acting

One Man Band (uncredited)

Martin Bassindale

Acting

White Star-Line Girl (uncredited)

Amelia O'Loughlin

Acting

Telly-Phone Assistant (uncredited)

Matthew Di Liello

Acting

Yeoman of the Guard (uncredited)

Craig Thomas Lambert

Acting

British Soldier (uncredited)

Jorge Leon

Acting

Buckingham Palace Guest (uncredited)

Martyn Mayger

Acting

Garden Party Guest (uncredited)

Hugh O'Brien

Acting

Nobleman (uncredited)

Deepak Anand

Acting

Upper Class Gentleman #1 (uncredited)

Shawn Dixon

Acting

Victorian Gentleman (uncredited)

Anthony Richard Rowe

Acting

Docker (uncredited)

Mick Slaney

Acting

Russian Merchant (uncredited)

Karl Farrer

Acting