Circus Boy1956Action & Adventure, DramaLoading watch options…Circus Boy is an American action/adventure/drama series that aired in prime time on NBC, and then on ABC, from 1956 to 1958. It was then rerun by NBC on Saturday mornings, from 1958 to 1960. The series currently airs Saturday mornings on Antenna TV.CastMicky DolenzNoah Beery Jr.Robert LoweryBilly BartyGuinn 'Big Boy' Williams