Below you can find the Buck ridden by james arness on gunsmoke was later used by lorne greene on this series Jeopardy Words Answer. The answer to Buck ridden by james arness on gunsmoke was later used by lorne greene on this series has 7 letters. This clue belongs to the Horse sense category and is part of Jeopardy Word Level 754. If you scroll near the bottom you will find other clues and answers part of level 754