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John Charles Smith (August 18, 1896 – January 3, 1933), known professionally as Jack Pickford, was a Canadian-American actor, film director and producer. He was the younger brother of actresses Mary and Lottie Pickford.

After their father deserted the family, all three Pickford children began working as child actors on the stage. Mary later became a highly popular silent film actress, producer and early Hollywood pioneer. While Jack appeared in numerous films as the "All American boy next door" and was a fairly popular performer, he was overshadowed by his sister's success. His career declined steadily due to alcohol, drugs and chronic depression.