Charles William Mumy, Jr., (MOO-mee), (born February 1, 1954 in San Gabriel, California) is an American actor, musician, guitarist, voice-over actor and a figure in the science fiction community, who is known primarily for his roles in movies and television. He came to prominence in the 1960s as Guy Williams's youngest TV son and Jonathan Harris's closest friend, Will Robinson, in the cult 1960s TV series, "Lost In Space". Wikipedia
The definitive Wikipedia entry for Bill Mumy. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Bill_Mumy
Most Recent Role: Himself on Ultimate Super Heroes, Vixens & Villains Alias Name(s): Billy Mumy, Art Barnes Gender: Male Birthplace: San Gabriel, California, USA Birthday: 2-1-1954 Birth Name: Charles William Mumy Jr. www.tv.com/person/22143/summary.html