IMDb > The Uncertainty Principle (2002)

The Uncertainty Principle (2002) More at IMDbPro »O Princípio da Incerteza (original title)

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6.6/10   316 votes »
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Release Date:
30 August 2002 (Italy) See more »
Having lost her place among the social elite, a widow remarries and starts a family. | Add synopsis »
1 nomination See more »
User Reviews:
Don't Waste Your Time See more (4 total) »


  (in credits order)
Leonor Baldaque ... Camila
Leonor Silveira ... Vanessa
Isabel Ruth ... Celsa
Ricardo Trêpa ... José Feliciano, 'Touro Azul' / Fiscal

Ivo Canelas ... António Clara
Luís Miguel Cintra ... Daniel Roper
José Manuel Mendes ... Torcato Roper
Carmen Santos ... Joana
Cecília Guimarães ... Rute
Júlia Buisel ... Aunt Tofi
Ângela Marques ... Adoração
Diogo Dória ... Policeman
António Fonseca ... Policeman
João Bénard da Costa ... Mr. Ferreira (as Duarte de Almeida)
P. João Marques ... Priest
António Costa ... Tiago
David Cardoso ... Overman
rest of cast listed alphabetically:
António Reis
Adelaide Teixeira ... Mãe
Joana Loureiro ... Lady (uncredited)

Directed by
Manoel de Oliveira 
Writing credits
Agustina Bessa-Luís (novel "Jóia de Família")

Manoel de Oliveira 

Jacques Parsi (collaboration) and
Júlia Buisel (collaboration) and
António Costa (collaboration)

Produced by
Paulo Branco .... producer
Cinematography by
Renato Berta 
Film Editing by
Manoel de Oliveira 
Catherine Krassovsky 
Production Design by
Zé Branco 
Costume Design by
Isabel Branco 
Makeup Department
Araceli Fuente .... key makeup artist (as Aracelli Fuente)
Philippe Mangin .... key hair stylist
Production Management
Joaquim Carvalho .... production manager
Second Unit Director or Assistant Director
Nuno Milagre .... second assistant director
José Maria Vaz da Silva .... first assistant director
Art Department
João Paulo Santos .... props
Sound Department
Jean-François Auger .... sound editor
Jean-François Auger .... sound mixer
Henri Maïkoff .... sound
Camera and Electrical Department
Manuel Ramos .... key grip
Music Department
Shlomo Mintz .... musician
Other crew
Júlia Buisel .... script supervisor
Joana Ferreira .... unit manager
Renata Sancho .... continuity

Production CompaniesDistributorsOther Companies

Additional Details

Also Known As:
"O Princípio da Incerteza" - France (original title)
See more »
133 min (Cannes Film Festival)
Aspect Ratio:
1.66 : 1 See more »
Sound Mix:

Did You Know?

Two of the leads of the movie are grandchildren of the director/co-writer and the novelist whose book inspired the movie. Leonor Baldaque is the granddaughter of novelist Agustina Bessa-Luís, while Ricardo Trêpa is of Manoel de Oliveira.See more »
Movie Connections:
Followed by Magic Mirror (2005)See more »
24 caprici per violino, op. 1See more »


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6 out of 46 people found the following review useful.
Don't Waste Your Time, 3 October 2002
Author: lewieb from New York, NY

Saw it at the New York Film Festival and could tell I was in for trouble when they didn't have some guy dressed in black tell us how great the film would be before it started. That's because they (the people that run the NY FF) must've known this movie was horrible.

Ostensibly about the nature of love, class distinctions and other high-brow stuff, the movie was a series of banal discussions that led nowhere. The acting was uninspired. The endless shots of the Portuguese countryside, while beautiful, were, well, endless.

People started walking out on this movie about 45 mins. in. I should've joined them.

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