Among the guest stars on The Baileys of Balboa was Roger Ewing, in the December 1964 episode "Look Who's A Sailor", and later played Thaddeus "Thad" Greenwood in CBS's western series, Gunsmoke, from 1965 to 1967. Child actor Kelly Corcoran, then 6 years old, made his third ever screen appearance in the February 1965 episode "The Education Of Sam Bailey".
