Harvey hires Mary to seduce his rival Larry and help him gain his revenge. But Maria and Larry fall in love and things become complicated.
| Actor | Role |
|---|---|
 MarisolMaría Marcos | María Marcos |
 Renaud VerleyLarry Elliot | Larry Elliot |
 Mel FerrerDalton Harvey | Dalton Harvey |
 Silvia TortosaGina | Gina |
 Mirta MillerRosita | Rosita |
 Manuel de BlasMalcolm Higgins | Malcolm Higgins |
 Bárbara ReyGrace | Grace |
| NNorma KastelMartine | Martine |
 Nené MoralesNot listed | Not listed |
 Eduardo CalvoManager of the Red Cabaret | Manager of the Red Cabaret |
| SSofía CasaresCorista | Corista |
 Víctor IsraelLawyer | Lawyer |
| KKetty de la CámaraNot listed | Not listed |
 Vicente RocaNot listed | Not listed |
| LLucy TillerNot listed | Not listed |
| ÁÁngel MartínNot listed | Not listed |
| KKelly BeckerLadi 'Lady' Hamillton (uncredited) | Ladi 'Lady' Hamillton (uncredited) |
 Mabel Escaño(uncredited) | (uncredited) |
| SSylvia Trent(uncredited) | (uncredited) |