The Molly Maguires (1970)

Director: Martin Ritt
Cast: Anthony Costello, Anthony Zerbe, Art Lund, Bethel Leslie, Frank Finlay, Richard Harris, Samantha Eggar, Sean Connery

Synopsis:

Schuylkill County, Pennsylvania, 1876. A secret society of Irish coal miners, bond by a sacred oath, put pressure on the greedy and ruthless company they work for by sabotaging mining facilities in the hope of improving their working conditions and the lives of their families.