Clint Eastwood was already 30 years old when he landed his breakout role in the CBS Western "Rawhide ... and "Tarantula"), and guest roles on TV series like "Maverick" and "Death Valley Days ...

Of all the great, classic Western television shows out there ... But, of every classic TV Western that aired in the 1950s and '60s, none hold a candle to the impressive nature of Gunsmoke ...