 He also represented writers including Julius J. Epstein, Ernest Lehman, Abraham Polonsky, and Budd Schulberg.Gersh helped his clients Mostel and Polonsky when they were blacklisted during the anti-Communist witch-hunts of the 1950s.Gersh was known for his brash and assertive approach on behalf of his clients, as well as his strong New York accent and signature gravelly voice.