[2] As a young adult, he read a help wanted ad in the local newspaper seeking a male animator at Pat Sullivan's studio.
[5] Following his stint at Fleischer, Zamora worked at Walt Disney Productions during the early 1930s, with Ed Benedict as his assistant.
[6] Zamora had a reputation for spending too much time playing practical jokes as opposed to working, and for this reason was fired by Walt Disney in 1932.
[10] Throughout the 1960s, Zamora served as director for Rocky & Bullwinkle and Peabody's Improbable History, also overseeing Mexican animators who worked on the series.
He helmed episodes of Richie Rich,[12] The New Scooby and Scrappy-Doo Show[13] and Laverne & Shirley, an animated adaptation of the sitcom.