WM
Writer
Walter Marks
1 credited title on WatchWise
0 following
Commercial performance
Not enough verified figures yet — only 0 of 1 catalogued titles have publicly reported budget and worldwide gross. Many films (television, independent and regional cinema) never publish these numbers; where they exist, WatchWise fills them in automatically from TMDB and Wikipedia.
Written (1)
Titles are ones WatchWise has catalogued so far — not necessarily a complete filmography.