American actor, manager, stage and motion-picture producer, and sports promoter.

Brady made his acting debut in San Francisco in 1882 and began touring with his own company by 1888. He became a producer after successfully bringing the melodrama After Dark to the New York stage in 1889. In three New York theatres—the Manhattan, 48th Street, and Playhouse—Brady went on to produce more than 250 plays, including Way Down East; an all-star revival of Uncle Tom's Cabin; A Free Soul; and Elmer Rice's Street Scene. His second wife, the stage and film star Grace George, starred in many of these productions. As a manager, Brady numbered among his clients his wife, Helen Hayes, Douglas Fairbanks, Sr., and Tallulah Bankhead, as well as the heavyweight boxers James J. Corbett and James J. Jeffries.

In 1917 he was appointed chairman of a committee to organize the American motion-picture industry for World War I by President Woodrow Wilson. Brady was a pioneer producer of motion pictures and served as president of the National Assembly of the Motion Picture Industry between 1915 and 1920. He was the father of the stage and film actress Alice Brady (1892–1939).