Till Marriage Do Us Part (, also known as How Long Can You Fall?) is a 1974 Italian erotic comedy film written and directed by Luigi Comencini and starring Laura Antonelli. Released in the U.S. in 1979, it was nominated to the 37th Golden Globe Awards for Best Foreign Language Film. Plot The Marquise Eugenia di Maqueda, an orphan raised by the nuns, marries Raimondo Corrao, but on their wedding night she finds out that he is her brother. The piece of news is in a letter written from Paris by their father, a womanizer who lives and hides from them in the French head town. The pair decide, to avoid the scandal, to live as brother and sister. Publicly, they take a vow of abstinence to "achieve sainthood" instead of consummating their marriage. He will later leave for the war in Libya, she will find solace and sexual satisfaction in the arms of the family chauffeur. Cast Laura Antonelli: Eugenia Di Maqueda Alberto Lionello: Raimondo Corrao, Marquis Di Maqueda Michele Placido: Silvano Pennacchini Jean Rochefort: Baron Henri De Sarcey Ugo Pagliai: Ruggero Di Maqueda Rosemarie Dexter: Florida Karin Schubert: Evelyn Michele Abruzzo: Don Pacifico See also List of Italian films of 1974 References External links 1974 films Italian comedy films 1974 comedy films Films directed by Luigi Comencini Commedia all'italiana Incest in film Films set in Sicily Films set in Paris Films set in Rome Films shot in Paris Adultery in films Films set in the 1910s Films set in the 1920s Films scored by Fiorenzo Carpi 1970s Italian-language films 1970s Italian films