Charles William "Bill" Mumy, Jr. (born February 1, 1954) is an American actor and musician. He's best-known for his roles as a child actor, playing Will Robinson on Lost in Space and Anthony Fremont in the classic Twilight Zone episode "It's a Good Life". As a musician, he's half of the duo Barnes & Barnes, who graced the world with "Fish Heads".
It's a good thing he was on Rescue Bots. A real good thing.