Roscoe "Rocky" Carroll (born July 8, 1963) is an American actor and director. He is known for his roles as Joey Emerson on the Fox comedy-drama Roc (1991–94), as Dr. Keith Wilkes on the CBS medical drama Chicago Hope, and as NCIS Director Leon Vance on the CBS drama NCIS and its spinoffs Los Angeles and New Orleans. He also played a supporting...