Life is rough in the coal mines of 1876 Pennsylvania. A secret group of Irish immigrant miners, known as the Molly Maguires, fights against the cruelty of the mining company with sabotage and murder. A detective, also an Irish emigrant, is hired to infiltrate the group and report on its members. But on which side do his sympathies lie?
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Sean Connery
Richard Harris
Samantha Eggar
Frank Finlay
Bethel Leslie