Born Walter Lee Gragg in St. Louis, Missouri, he entered the United States Naval Academy in the summer of 1948 and played football there.
After leaving the Air Force, he worked as an engineer for Hughes Aircraft and owned a rug-cleaning business.
[5] He was a veteran of numerous Hollywood film and television roles, including parts on Daniel Boone, M Squad, Sky King, Lock Up, The Loretta Young Show, Sugarfoot, Mission Impossible, Kraft Suspense Theatre, Branded, and Mackenzie's Raiders.
(1957), The Gun of Zangara, and Alcatraz Express, the later two being two-part episodes of The Untouchables that were re-edited into feature films for international distribution.
Many years later, London returned to acting, where he played roles in the Cartoon Network television series Tim and Eric Awesome Show, Great Job!, (2007), and the film Brothers War (2009).