He was nominated for an Academy Award in the category Best Adapted Screenplay for the film The Stunt Man.
[3] Marcus worked on newspapers in Illinois, Massachusetts, and Ohio before he took a class in writing for radio at the University of Chicago.
After the establishment of the Federal Writers' Project, he was appointed to head the Illinois division's radio department.
[4] Marcus's work on radio included writing Dark Venture.
[4] Marcus died in August 2001 of Parkinson's disease at the Motion Picture & Television Fund cottages in Woodland Hills, California, at the age of 84.