Korman, whose clients included Tony Curtis, Ethel Merman and Ricardo Montalban, passed away on 30 July (09) in Los Angeles.
He also managed talent including Rod Taylor, Florence Henderson and Ben Gazzara under his company,Tom Korman Management and directed stars' careers through Grey Advertising in his native New York.
He went on to run the Ashley Steiner talent agency, Agency for the Performing Arts and the Artists Group - a company he formed in 1963, where he represented Anthony Perkins, Elliott Gould and Julie Harris.
In the 1970s Korman made his move to Los Angeles and formed Contemporary Korman Artists with Ronald Leif.
Korman was honoured for his charity work with the Project Angel Food Hour Glass award in 2006.
He is survived by his wife of 28 years, Pamela.