Max Marcin (5 May 1879 – 30 March 1948) was a Polish-born American playwright, novelist, screenwriter, and film director. He wrote for 47 films between 1916 and 1949. He also directed six films between 1931 and 1936. His stage work includes See My Lawyer (1915), directed by Frank M. Stammers; he wrote and/or produced almost 20 plays for Broadway from 1916-38. Marcin wrote for and produced The FBI in Peace and War and created, produced and wrote for the Crime Doctor radio program, which became the basis for a series of ten Crime Doctor films.