Allegheny County say James Emswiller fell around 7:30 p.m. Thursday during a break in filming. The 61-year-old Pittsburgh man died later at a hospital.
Emswiller was involved in the sound production of "You Are My Friend," which was shooting a scene in Mount Lebanon. The film is based on the life of Fred Rogers, the genial host of "Mister Rogers' Neighborhood."
Mount Lebanon police say Emswiller fell over a brick wall on the balcony at an apartment building.
Film star Tom Hanks, who is playing Rogers in the movie, was at the site and later left.
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