William Cagney, the brother of actor James, began his career in the film industry as an assistant producer at Warners as part of his brother's contract. Later, he went on to helm William Cagney Productions, a studio designed to promote James' career and give him more artistic opportunities. During the 1930s, William tried his hand at acting, and in 1950, played James' brother in Kiss Tomorrow...
See Full William Cagney Biography