Canada / Sep 23, 2009 / 18A
Overall average
5.0/10
Trailer

Videos
Plot
Guilherme and Sofia, brother and sister, grow up sharing experiences and slowly discovering their sexuality. The thing that Sofia doesn't know is how far Guilherme will go to keep her inside his own perverse, dark and perfect circle.
Main cast
Full cast
| Actor | Role |
|---|---|
| Joana de Verona | Sofia |
| Carloto Cotta | Boy at the party (uncredited) |
| Ricardo de Sá | |
| Mónica Sintra | |
| Joana Bárcia | Sílvia |
| João Pedro Vaz | Neighbor Paul |
| Tiago Rodrigues | Vasco (uncredited) |
Genres
Drama
Technical details
| Detail | Value |
|---|---|
| Original title | Como Desenhar um Círculo Perfeito |
| Original language | Português (PT) |
| Spoken languages | Português |
| Production countries | Portugal |
| Status | Released |
| Production companies | Ukbar Filmes, Instituto do Cinema, Audiovisual e Multimédia, RTP |
| Release date | 23 settembre 2009 |
| Production | António da Cunha Telles, Pandora da Cunha Telles |
| Writer | Marco Martins, Gonçalo M. Tavares |
| Editing | João Braz |
| Cinematography | Carlos Lopes |
| Assistant directors | Marco Martins |
| Camera operators | Carlos Lopes |
| Additional photography | Carlos Lopes |
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| Music | Bernardo Sassetti, Branko Neškov, Elsa Ferreira |
| Sound | Bernardo Sassetti, Branko Neškov, Elsa Ferreira |
| Costume design | Silvia Grabowski |
| Makeup | Silvia Grabowski |
| Hairstyling | Silvia Grabowski |
Release dates
Limited release
Theatrical release
Brazil / Sep 23, 2009
Portugal / May 06, 2010
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