[3] Monash wrote and produced the pilot for the TV series The Untouchables (1959), shown in two parts on Desilu Playhouse and edited as a feature film for distribution in Europe.
Monash produced the feature film The Friends of Eddie Coyle (1973), a dark, critically acclaimed crime drama starring Robert Mitchum, and also adapted the George V. Higgins novel for the screen.
Monash wrote the 1979 CBS-TV adaption of All Quiet on the Western Front, a Hallmark Hall of Fame production that received a Golden Globe Award for Best Motion Picture Made for Television.
His final credit was the A&E Network original film, The Golden Spiders: A Nero Wolfe Mystery (2000), a critically praised adaption of the Rex Stout novel.
[5] The TV movie first aired March 5, 2000, the same day that the Writers Guild of America, west, presented the 83-year-old Monash with the Paddy Chayefsky award for lifetime achievement.