- Country: France, Germany, Portugal
- Genres: Crime, Mystery, Romance
- Release: 1991-11-22
- Director: Joaquim Leitão
- Writers: Stuart Cooper , Joaquim Leitão
- Language: Portuguese
- Stars: Laura Morante , Simon de La Brosse , Peter Sattmann , João Grosso , Jean-Yves Gautier , Canto e Castro , Zeka Laplaine , Horacio dos Santos , Sérgio Silva , Alfredo Vaz
- Runtime: 98 min
- Awards: N/A
- AKA: Katkeraan loppuun asti (Finland) , L'amour extrême (France, French Republic) , 裏切りの情事 (Japan) , Bis zum bitteren Ende , Ao Fim da Noite (Portugal, Portuguese Republic) , To the Bitter End , Ao Fim da Noite
- Plot: Jorge is a disc jockey at a nightclub in Bairro Alto, Lisbon. But the owner of the nightclub, Queirós, is also involved in another less lawful but more profitable business: the diamond trade. Queirós is a cold and sophisticated man whose only weakness is an obsessive passion for a woman who has already betrayed him.
- IMDB:tt0101359
Ao Fim da Noite Cast · · · ALL
Joaquim Leitão
Director
Laura Morante
Cláudia
Simon de La Brosse
Jorge
Peter Sattmann
Queirós
Alexandra Lencastre
Cláudia (voice)
José Wallenstein
Queirós (voice)
Jean-Yves Gautier
Filipe