biographical article needs additional citations for verification. Please help by adding reliable sources. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately, especially if potentially libelous or harmful. (August 2007) Bill Mumy Born Charles William Mumy, Jr. February 1, 1954 (1954-02-01) (age 57) San Gabriel, California, U.S. Other names "Art Barnes" Occupation Actor Years active 1960–present Spouse Eileen Joy Davis Website http://www.billmumy.com Charles William "Bill" Mumy, Jr. (pronounced /ˈmuːmi/; born February 1, 1954) is an American actor, musician, pitchman, instrumentalist, voice-over artist and a figure in the science-fiction community. He is known primarily for his work as a child television actor..