Dr John H. Watson – RICHARD EARL

Holmes's faithful assistant.

Richard Earl has worked extensively in theatre and has appeared in many plays including Bedroom Farce, Macbeth and The Picture of Dorian Gray as well as numerous pantomimes. He is one of a number of actors who has struck up a real creative rapport with Big Finish, and has consequently appeared in a large number of productions, including Exotron, Phantom of the Opera, The Eight Truths, The Company of Friends and many more. Most recently for Big Finish, he's recorded an audio book of Conan Doyle's favourite early Holmes story, The Adventure of the Speckled Band (which will be available, for free, to all Big Finish subscribers, from January 2010).

Richard will be touring the UK in 2010 with New Perspectives' comic two-hander Those Magnificent Men, by Brian Mitchell and Joseph Nixon, about Alcock and Brown, the first non-stop flyers across the Atlantic.

Mrs Katherine Mead – INDIA FISHER

The famous medium who assists Holmes in his investigation of the Ripper murders. Naturally, Holmes is skeptical at first, but such is the force of Kate’s powers that even the Great Detective is strangely drawn to her.

Most Big Finish listeners will know India Fisher for her beloved portrayal of Charley Pollard in the Paul McGann and Colin Baker Doctor Who stories. India has also appeared in the television series Dead Ringers and provided the voice for the character of Sophia Winchell in the BBC animated webcast series The Ghosts of Albion. She is the narrator of the BBC's most famous cookery programme Masterchef. In 2010, she will be touring the UK in Stop Messing About, playing the famous Carry On... movie actress Joan Simms.

Mary/Annie Crooks – SHERYL GANNAWAY

A prostitute and unfortunate victim of the Ripper / Annie has been left to rot in an asylum for the insane, but she holds vital clues to the Ripper case.

Sheryl is no stranger to Big Finish, having already worked on the subscriber special An Earthly Child in the role of Holly Barrett. Her other work includes many TV and stage appearances. On TV, she's featured in The Bill, EastEnders and Dream Team. On stage, she's worked with the Royal Shakespeare Company in Days of Significance and has also appeared in productions of The Canterbury Tales, Life's a Dream, Twelve Women in a Cell and A Midsummer Night's Dream.

Netley – LEX SHRAPEL

Netley moves through the shadows and backstreets of London. But who is his master?

Lex Shrapel graduated from the Guildhall School of Music & Drama and has appeared in many film and television roles such as, K-19: The Widowmaker, Nine Lives, Thunderbirds, Breakfast on Pluto, Flyboys, Ministry of Mayhem and The Last Detective.

Sir William Gull – MATT ADDIS

The famous surgeon and member of the brotherhood.

Matt can be heard on BBC Radio regularly working on dramas and comedies for Radio 3 and 4; he also performs regularly with www.scratchimpro.com.

His many stage appearances include Pythonesque, A-Team The Musical, Stones in His Pockets and Boeing, Boeing. On television, he was Prince Albert in Victoria's Men and has also appeared in the famous Welsh soap opera Pobol y Cwm.

Anderson/Potter – IAN BROOKER

Assistant police commissioner, working to a mysterious agenda.

Ian Booker is known for his work in many Radio 4 dramas such as The Archers and The Door in the Wall (based upon three short stories by H.G.Wells).

Ian is also a seasoned Big Finish audio performer, having appeared in productions too numerous to mention since his debut in the Eighth Doctor adventure, Embrace The Darkness.

The Stranger – SAMUEL CLEMENS

An unfortunate pawn in the Ripper affair. A man who has lost his identity.

Samuel Clemens trained at the prestigious Drama Centre London and graduated in 2001. His first acting job was a commercial for Nissan - but he didn't make final cut! His first break was given to him by David Drury in Family opposite Martin Kemp. Sam has recently set up a production company with his brother George called TeamGeorge Productions and is writing, producing and directing his first feature The Lighter.

His numerous stage appearances include a stint with the Royal Shakespeare Company (King Lear, Romeo and Juliet, Macbeth), Mother Courage for the English Touring Theatre and his first appearance as 'the stranger' in Holmes and the Ripper at the Theatre Royal Nottingham (in which Nicholas Briggs played Holmes).

Mrs Hudson/Mary Kelly/Young Woman/Street Walker – BETH CHALMERS

Holmes’s long-suffering landlady / the real Mary Kelly, with vital information / woman attending the brotherhood’s ladies’ evening / a prostitute.

Beth Chalmers is a voice actress who has worked on many radio dramas, comedies and readings for Radio 3 and 4, on television and in advertisements. She is known for her particular skill at accents, and naturally provides the voices of several other characters in this production!

Her television appearances include Midsomer Murders, Broken News, The Lenny Henry Show and People Like Us. Her theatre work includes An Ideal Husband and Arcadia.

Lord Salisbury/Lamplighter/Policeman – DAVID PEART

The Prime Minister.

David is a vastly experienced character actor and provides a number of other voices for this production. His television work includes The Bill, Coronation Street, Holby City and Peak Practice. His extensive theatre career includes many roles for prestigious venues and companies all over the UK, including the Royal Shakespeare Company, The Royal Exchange, Salisbury Playhouse and Manchester Library Theatre, in productions including Measure For Measure, Richard III, The Vortex and Much Ado About Nothing.

Saunders/Young Man/ Policeman / blind match seller – JOHN BANKS

Pathologist / a young man at the brotherhood’s ball / officer of the law / a chancer.

Like Richard Earl, John Banks is another vocally versatile actor who has featured in far more than his fair share of Big Finish productions. Here he features in a number of roles. His extensive theatre work includes Don't Look Now, The Three Musketeers, Othello and Blue Remembered Hills. His equally extensive television career includes roles in Coronation Street, Emmerdale, Family Affairs, Hollyoaks, Footballer's Wives, The Line of Beauty and the famous BBC comedy series 'Allo 'Allo.