105 mins | Drama, Crime, Mystery | Jan. 27, 1950
105 mins | Drama, Crime, Mystery | Jan. 27, 1950
| Producers | Estudios Churubusco Azteca, Procimex |
| Original title | La gota de sangre |
| Directors | Chano Urueta |
| Writers | Chano Urueta |
as Rodolfo
as Alma
as Jefe de policía
as Juan José, chofer
as Abelardo, mayordomo
as Médico
as Ramona, ama de llaves
as Detective policía
as Elena
as Administrador hotel