This is the filmography for Blanche Sweet. According to the Internet Movie Database, Sweet appeared in 161 films between 1909 and 1959.
Biograph (1909–1914) Blanche Sweet started working at Biograph in 1909 under contract to director D. W. Griffith. Sweet remained at Biograph until 1914. Sweet starred in 85 films under Biograph, most of which were one or two reels.
1909
1910
1911
1912
1913
1914
Mutual Film Corporation (1914) Griffith left Biograph in 1914, wanting to continue directing feature films such as Judith of Bethulia. He took his actors with him and joined the Mutual Film Corporation. Most of Sweet's films under Mutual Film are now lost. Of the 14 films, only 3 are known to survive.
1914
Paramount Pictures (1915–1919) Sweet and Griffith parted ways in 1915 and signed with Famous Players Film Company for a higher pay. The studio would become known as Famous Players-Lasky following a merger in 1916. Films would be distributed by Paramount Pictures. 8 of the 20 films Sweet starred in survive, while 12 are presumed lost.
1915
Pathé Exchange
Sweet exclusively starred in films made by Pathé Exchange from 1919 to 1921. 6 of the 8 films are presumed lost.
Later films (1919–1929) Of the 17 films, 6 survive and 11 are presumed lost.
Sound Films (1929–1959) Sweet starred only in five sound films, retiring in 1930. Her final role was uncredited in 1959. All are extant.