Boston, 1920. Italian immigrants Nicola Sacco and Bartolomeo Vanzetti are charged and unfairly tried for murder on the basis of their anarchist political beliefs.

Gian Maria Volontéas Bartolomeo Vanzetti
Riccardo Cucciollaas Nicola Sacco
Cyril Cusackas Frederick Katzmann
Rosanna Fratelloas Rosa Sacco
Geoffrey Keenas Judge Webster Thayer
Milo O'Sheaas Fred Moore
William Princeas William Thompson
Claude Mannas Eddie
Edward Jewesburyas Alvan T. Fuller
Armenia Balduccias Virginia Vanzetti