There Were Thirteen (Spanish: Eran trece) is a 1931 American Pre-Code mystery film directed by David Howard and starring Juan Torena, Ana María Custodio and Rafael Calvo.It is a Spanish-language version of the 1931 Hollywood film Charlie Chan Carries On, with a separate cast and several plot alterations. Like the English original it was based on the novel Charlie Chan Carries On by Earl Derr Biggers.