Writer Michael KoskoffMichael Koskoff, born on March 19 1942, was a writer. Koskoff has most recently worked on Marshall (2017). About Michael KoskoffName: Michael KoskoffBirth Date: March 19, 1942Age: 77 years oldDeath Date: April 24, 2019Filmography as WriterMarshall (2017) Roles:Writer URL to This Page:https://indiefilming.com/people/michael-koskoff