Miller was a longtime news anchorman for WSMV (formerly WSM-TV) in Nashville, Tennessee. Beginning his tenure there as a weathercaster in 1969, he moved to the news anchor desk in 1970. In 1986, Miller left Nashville to serve as principal anchor at KCBS-TV in Los Angeles, a position he held for one year. Miller then gained fame in the United States nationally as the announcer and sidekick for his friend and one-time WSM-TV colleague, Pat Sajak, during Sajak's short-lived CBS late-night talk show, "The Pat Sajak Show".