(no Holmes picture) (no Watson picture)

Adaptation

A Study in Scarlet

This Film was released on 29 December 1914, by Universal Film Manufacturing Company.
IMDb: A Study in Scarlet 
Letterboxd: A Study in Scarlet 

Canon basis: A Study in Scarlet

Sherlock Holmes played by: Francis Ford
Dr. Watson played by: John Ford

Turn on <canvas>.
Cast
Francis Ford as Sherlock Holmes
John Ford as Dr. John H. Watson