La verifica incerta
- Blwyddyn: 1965
- Gwlad: Italy
- Genre: Documentary
- Stiwdio:
- Allweddair: hollywood, short film
- Cyfarwyddwr: Alberto Grifi, Gianfranco Baruchello
- Cast: Rossano Brazzi, Marcel Duchamp, Clark Gable, Daniel Gélin, Susan Hayward, Charlton Heston