Strategia del ragno
- Blwyddyn: 1970
- Gwlad: Italy
- Genre: Mystery, Drama
- Stiwdio: Red Film, RAI
- Allweddair: small town, countryside, father murder, investigation, unknown father, oedipus complex, white lie, italian resistance
- Cyfarwyddwr: Bernardo Bertolucci
- Cast: Giulio Brogi, Alida Valli, Pippo Campanini, Franco Giovanelli, Tino Scotti, Allen Midgette