Sidney Blackmer
| Sidney Blackmer | |
|---|---|
| Blackmer in  the 1940s | |
| Born | Sidney Alderman Blackmer July 13, 1895 | 
| Died | October 6, 1973 (aged 78) New York City, U.S. | 
| Other names | S.A. Blackmer | 
| Occupation | Actor | 
| Years active | 1914–1971 | 
| Spouses | |
| Children | 2 | 
| Awards | North Carolina Award, Fine Arts | 
Sidney Alderman Blackmer (July 13, 1895 – October 6, 1973) was an American Broadway and film actor active between 1914 and 1971, usually in major supporting roles.