Bertha Woolford was an American actress. She is best known for her role in the WW2 documentary The Negro Soldier as Mrs. Bronson, the woman who reads a letter from her soldier son during church service.
Night and Day 1946
as Servant (uncredited)
Saratoga Trunk 1945
as Flower Woman (uncredited)
The Negro Soldier 1944
as Herself / Mrs. Bronson
Credits from TMDB.