Other mistake: You can see a plane taking off between the leaves of a tree and into the opening as it passes the tree, while Mark and Lucas are talking. (00:22:15)
The Rifleman (1958)
1 other mistake in The Silent Knife
Starring: Chuck Connors, Johnny Crawford, Paul Fix
Revealing mistake: Two former Civil War officers prepare to make camp in a sandy area surrounded by large rock formations. It is obvious that they are on an indoor set. As one man takes a few steps, the sound of his boots hitting the wooden platform beneath the sand can be heard.