
Sidney Alderman Blackmer (13 July 1895 – 6 October 1973) was an American actor. Blackmer was born and raised in Salisbury, North Carolina. He started off in an insurance and financial business but gave up on it. While working as a builder's laborer on a new building, he saw a Pearl White serial being filmed and immediately decided to go into acting. Blackmer went to New York hoping to act on the stage. While in the city, he took jobs and extra work at various film studios at the then motion picture capital, Fort Lee, New Jersey, including a bit part in the highly popular serial, The Perils of Pauline (1914). He made his Broadway debut in 1917, but his career was interrupted by service in…
Known for
Rosemary's BabyRoman Castevet
High SocietySeth Lord
Alfred Hitchcock PresentsFrank Partridge
Duel in the SunThe Lover
The Outer LimitsWilliam Lyons SelbyIs this you?
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