Currently on 9 streaming services & also available on disc.

The Sign of Four
JustWatch TV
Stream Free
6.3 (1k)
1h 37min

The Sign of Four

Sherlock Holmes and Dr. Watson try to track down the Great Mogul, the second-largest diamond in the world.

The Sign of Four streaming: where to watch online?

Currently you are able to watch "The Sign of Four" streaming on Amazon Prime Video, Amazon Prime Video with Ads or for free with ads on The Roku Channel, YouTube Free, Tubi TV. It is also possible to rent "The Sign of Four" on Amazon Video, Fandango At Home online and to download it on Amazon Video, Fandango At Home.

Besides streaming, you can also buy the movie on DVD from Amazon DVD / Blu-ray and on Blu-ray from Amazon DVD / Blu-ray, Zavvi.

You can also stream the title for free on JustWatch TV, Fawesome.

Cast

Ian Richardson
Ian Richardson
Sherlock Holmes
David Healy
David Healy
Dr. John Watson
Thorley Walters
Thorley Walters
Major John Sholto
Michael O'Hagan
Michael O'Hagan
Mordecai Smith
Cherie Lunghi
Cherie Lunghi
Mary Morstan
Joe Melia
Joe Melia
Jonathan Small
Terence Rigby
Terence Rigby
Inspector Layton
Clive Merrison
Clive Merrison
Bartholomew Sholto
Richard Heffer
Richard Heffer
Thaddeus Sholto
John Benfield
John Benfield
McMurdo
Gordon Rollings
Gordon Rollings
Mr. Sherman
John Pedrick
John Pedrick
Tonga
Robert Russell
Robert Russell
Williams
Moti Makan
Moti Makan
Lal Rao
Kate Binchy
Kate Binchy
Maid
Merelina Kendall
Merelina Kendall
Mrs. Smith