[2] By December 1958, Carroll had become the host of what a Los Angeles Times columnist described as "KABC's most outstanding music show".
[4] He began his television career as the announcer for The Smothers Brothers Comedy Hour (1967–1969).
[5]: 984 He went on to be the announcer for The Leslie Uggams Show (1969)[5] and The Glen Campbell Goodtime Hour (1969).
[2] Carroll was the announcer for The Pearl Bailey Show (1971),[5]: 820 The Bobby Darin Show (1973), The Tony Orlando and Dawn Rainbow Hour (1976),[2] and The Redd Foxx Comedy Hour (1977-1978).
He also owned Best Sounds in Town Inc./Roger Carroll Productions, which created and produced special programs, commercials and jingles.