Buddy Ebsen Barnaby Jones Actor Lee Meriwether Betty Jones Actor John Carter Lt. John Biddle Actor, Director Mark Shera Jedediah Romano "J.R." Jones Actor Marlyn Mason Guest Star Andrew Robinson Guest Star Larry Bishop Guest Star Grainger Hines Guest Star Richard Eastham Guest Star Mark Metcalf Guest Star June Dayton Guest Star Ken Lynch Guest Star Stephen Coit Guest Star Cindy Daly Guest Star Roger Callard Guest Star Bucklind Beery Guest Star Ray Duke Guest Star Penelope Gillette Guest Star Jeff Austin Guest Star Tom Gagen Guest Star Gerald Sanford Writer Robert W. Lenski Writer Jack V. Fogarty Writer Norman Jolley Writer Mann Rubin Writer Dick Nelson Writer Robert Sherman Writer, Director Dallas L. Barnes Writer William Keys Writer Robert E. Swanson Writer Walter Grauman Director Kenneth Gilbert Director Leo Penn Director Michael Preece Director Dick Lowry Director Bruce Kessler Director Jeff Kanter Writer Jon Christiansen Writer