Actors : Sergio Tofano, Pierre Clémenti, Giulio Cesare Castello, Tina Aumont, Directors : Bernardo Bertolucci,
Bernardo Bertolucci, along with co-scenarist Gianni Amico, used Dostoievski's 1846, pre-imprisonment novella The Double: A Petersburg Poem, which they moved to Italy and updated to the pro-Vietcong student-protest present,