 He studied music and theatre at the State University of New York at Oswego, where he graduated in the class of 1973.He is known for his role as an Assistant District Attorney and, later, Special Prosecutor Lawrence D. Barrington in the television programs "Mickey Spillane's Mike Hammer", and "The New Mike Hammer".Williams reunited with Stacy Keach in 1997 when a new Mike Hammer syndicated television show was released under the title "Mike Hammer, Private Eye".