The Melba Moore - Clifton Davis Show featuring Timmie Rogers, Ron Carey, Richard Libertini and Nancy Wilson (1972)

Barney Miller: The Jack Soo Retrospective (1979)

The Ed Sullivan Comedians - Footage Offline - 1/12/08

From various years throughout the nineteen sixties the following performers appeared on The Ed Sullivan Show multiple times ... and many of them became big nightclub stars because of it.
Frank Gorshin:

Ron Carey:

Joan Rivers:

George Carlin:

Alan King:

George Burns: