Buddy Ebsen Barnaby Jones Actor Lee Meriwether Betty Jones Actor John Carter Lt. John Biddle Actor Mark Shera Jedediah Romano "J.R." Jones Actor James Woods Guest Star Patrick O'Neal Guest Star Daniel J. Travanti Guest Star Mark Goddard Guest Star Gerald McRaney Guest Star Loni Anderson Guest Star Robert Doyle Guest Star Lara Wallace Guest Star Tony Cristino Guest Star Sam Edwards Guest Star Janus Blyth Guest Star Don Carrara Guest Star Peter Ford Guest Star Gerald Sanford Writer Walter Grauman Director