James Edward Gunn (August 22, 1920, San Francisco, California – September 20, 1966, Los Angeles, California) was an American film and television screenwriter and producer. His credits include Affair in Trinidad, The Young Philadelphians, The Unfaithful, Over-Exposed, Man from 1997 on the television series Conflict, and Because They're Young. Gunn was born in San Francisco in 1920 and was known for his work in hardboiled fiction and crime stories, including the TV detective series 77 Sunset Strip, Checkmate, and Mickey Spillane's Mike Hammer. He died in Los Angeles in 1966 at the age of 46.