So Long at the Fair

So Long at the Fair
Theatrical release poster
Directed by	Terence Fisher Antony Darnborough
Produced by	Betty E. Box Sydney Box
Written by	Hugh Mills Anthony Thorne
Starring	Dirk Bogarde Jean Simmons
Music by	Benjamin Frankel
Edited by	Gordon Hales
Release date	31 May 1950 (1950-05-31)
Running time	86 minutes
Country	United Kingdom
Language	English French
Box office	£132,000 (by 1953)

So Long at the Fair (US re-release title The Black Curse) is a 1950 British thriller film directed by Terence Fisher and Anthony Darnborough, and starring Jean Simmons and Dirk Bogarde. It was adapted from the 1947 novel of the same name by Anthony Thorne. The general story is a version of what appears to be a 19th-century urban legend, which has inspired several fictional works. "Maybe You Will Remember" told in Alvin Schwartz's Scary Stories 3 and the episode "Into Thin Air" of the TV show Alfred Hitchcock Presents were based on the same tale. The German film Verwehte Spuren (Covered Tracks) was also based on the story, and produced in 1938, with a script by Thea von Harbou.

The title derives from the nursery rhyme "Oh Dear! What Can the Matter Be?"

In 1889, young Englishwoman Vicky Barton (Jean Simmons) and her brother Johnny (David Tomlinson) arrive in Paris to see the Exposition Universelle. This is Vicky's first time in Paris, and after checking into a hotel, she drags her tired brother to dinner and the famous Moulin Rouge. She finally retires for the night, while Johnny has a late-night drink. When English painter George Hathaway (Dirk Bogarde) drops off his girlfriend, Rhoda O'Donovan (Honor Blackman), and her mother (Betty Warren) at the hotel, he asks Johnny for change for a 100 franc note to pay a carriage driver; Johnny loans him 50 francs and gives him his name and room number.