As three of the most prominent actors of the early studio system, James Cagney, Edward G. Robinson, and Humphrey Bogart played an unparalleled role in the rise of the Warner Brothers Studio. These “Warners Wiseguys” are now virtually synonymous with the studio’s era of gritty gangster films. This study of their interwoven studio-contract careers highlights the similarities of their personalities and their struggles with harsh typecasting. It details and comments critically on each of their combined 112 Warners films. Complete with commentary from the author and other film buffs. An appendix provides a filmographic guide to the films discussed, including lists of primary actors, release dates, directorial credits, and running times for each film.