Reviews provided by RottenTomatoes
New York Times:
Though the tale, based on a novel by Harold Frederic, remains relevant to our time, the film is too self-conscious and tedious for the message it delivers.
New York Observer:
If every war has more than one side, this story of one man who dares to stand against the tide of history has a contemporary relevance that remains uncontested.
Aside from the PBS-re-enactment music, the film's primary problem is that it lacks a clear central plot.
Los Angeles Times:
"Copperhead" crams far too much of its action into its last 30 minutes after a rambling, drawn-out set up.
Farran Smith Nehme,
New York Post:
So much taste and intelligence went into these finely wrought costumes, props and sets in order to tell a story of such tedium.
Less like a peering examination of the turbulent political environment than a reenactment of a Ken Burns documentary-or a museum tour.
Sluggish drama ... defines this morality lesson about the unimpeachable virtue of loving thy neighbor.
The story offers uncommon insights on the endlessly parsed period in history, but its execution sometimes falls short.