Chas. Floyd Johnson may be one of the most prolific TV producers of which you’ve probably never heard. The current executive producer for “NCIS” -- the longest-running, scripted, prime-time show in CBS history, which just hit its 1,000-episode mark in April 2024 -- Johnson is one of the first, if not the first, top-level Black TV producers in the industry. His career has spanned more than 53 years on numerous highly rated TV shows and projects, including “The Rockford Files” with James Garner, “