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.
| Directing | Antony Darnborough | Director |
| Directing | Terence Fisher | Director |
| Writing | Anthony Thorne | Writer |
| Camera | Reginald H. Wyer | Director of Photography |
| Writing | Hugh Mills | Writer |
| Production | Sydney Box | Producer |
| Crew | Bill Warrington | Special Effects |
| Art | George Provis | Supervising Art Director |
| Art | Cedric Dawe | Art Direction |
| Crew | Les Bowie | Special Effects |
| Costume & Make-Up | Elizabeth Haffenden | Costume Design |
| Camera | David Harcourt | Camera Operator |
| Production | Betty E. Box | Producer |
| Sound | Gordon K. McCallum | Sound Mixer |
| Sound | Benjamin Frankel | Music |
| Editing | Gordon Hales | Editor |
| Costume & Make-Up | George Blackler | Makeup Artist |
| Sound | George Paternoster | Boom Operator |
| Sound | Fred Ryan | Boom Operator |
