Jackie Mitchell was born in 1934 in the USA. She was an actress, known for The Girl from U.N.C.L.E. (1966). She died in 2016 in the USA.
From Wikipedia
Virne Beatrice "Jackie" Mitchell Gilbert (August 29, 1913 – January 7, 1987) was one of the first female American pitchers in professional baseball history. She was 17 years old when she pitched for the Chattanooga Lookouts Class AA minor league baseball team in an exhibition game against the New York Yankees, and struck out Babe Ruth and Lou Gehrig in succession.