Vicky Barton and her brother Johnny travel from Naples to visit the 1889 Paris Exhibition. They both sleep in seperate rooms in their hotel. When the she gets up in the morning she finds her brother and his room have disappeared and no one will even acknowledge that he was ever there. Now Vicky must find out what exactly happened to her brother.
Unfortunately the movie So Long at the Fair is not yet available on HBO Max.
| Camera | Reginald H. Wyer | Director of Photography |
| Directing | Terence Fisher | Director |
| Writing | Hugh Mills | Writer |
| Writing | Anthony Thorne | Writer |
| Directing | Antony Darnborough | Director |
| Crew | Les Bowie | Special Effects |
| Costume & Make-Up | Elizabeth Haffenden | Costume Design |
| Production | Betty E. Box | Producer |
| Editing | Gordon Hales | Editor |
| Production | Sydney Box | Producer |
| Sound | Benjamin Frankel | Music |
| Art | George Provis | Supervising Art Director |
| Art | Cedric Dawe | Art Direction |
| Camera | David Harcourt | Camera Operator |
| Crew | Bill Warrington | Special Effects |
| Sound | Gordon K. McCallum | Sound Mixer |
| Costume & Make-Up | George Blackler | Makeup Artist |
| Sound | George Paternoster | Boom Operator |
| Sound | Fred Ryan | Boom Operator |
| Sound | Benjamin Frankel | Original Music Composer |
