4 and 20 Fit Girls (1940)
- Genre: Documentary
- Release Date: 1940-01-01
- Runtime: 0h 11min
- Language: English
- Production Company: BFI
- Production Country: United Kingdom
- Director: Mary Field
Flock to your local keep fit class - there's a war on and Britain needs its citizens in tip-top shape.
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| Sound | Mary Chapman | Music |
| Writing | E. V. H. Emmett | Writer |
| Camera | George Pocknall | Director of Photography |
| Sound | Peter Birch | Sound Recordist |
| Directing | Mary Field | Director |
