Marx Brothers and Chico appeared less prominently. The two younger brothers, Gummo and Zeppo, never developed their stage characters to the same extent as the elder three. They each left the act to pursue business careers at which they were successful, and for a time ran a large theatrical agency through which they represented their brothers and others. Gummo was not in any of the movies; Zeppo appeared in the first five films in relatively straight (non-comedic) roles. The performing lives of the brothers owed much to their mother Minnie Marx, who acted as their manager until her death in 1929. The
Operation In Their Boots Kyle Hartnett (U.S. Army Paratrooper, Afghanistan War veteran), Chris Mandia (U.S. Marine Corps, Iraq War veteran), Victor Manzano (U.S. Marine Corps, Iraq and Afghanistan Wars veteran), and Clint Van Winkle (U.S. Marine Corps, Iraq War veteran) were the combat veterans chosen to produce and direct films. All five of the films premiered on November 9, 2010 at the Downtown Independent in Los Angeles, California and the documentaries are currently online. "Operation In Their Boots" was funded by a grant from the Iraq Afghanistan Deployment Impact Fund (IADIF) of the California Community Foundation. Tristan Dyer's documentary was shot using stop motion