This is the Spanish-language version, with a different cast and crew, of the Charlie Chan film Charlie Chan Carries On, in which Charlie sets out to discover the killer of an American found dead in a London hotel room.
Unfortunately the movie There Were Thirteen is not yet available on Disney Plus.
| Directing | David Howard | Director |
| Writing | Earl Derr Biggers | Novel |
| Writing | Barry Conners | Writer |
| Writing | Philip Klein | Writer |
| Production | William Fox | Producer |
| Camera | Sidney Wagner | Director of Photography |
| Camera | L.B. Abbott | Assistant Camera |
