
After the execution of the spy Mata-Hari, the secret service takes the opportunity to arrest some of her collaborators. To arrest one of the ringleaders, they use his girlfriend Niní, a naive dancer. The girl, tired of being manipulated by everyone, decides to become agent X25.
Cast

Niní Marshall
Niní / agenteX25 / Carmiña / Surabaya

Virgílio Teixeira
Richard / Tte. Jorjof

Rafael Calvo
Bonnard - jefe servicios secretos

Francisco Pierrá
Durand

Ramón Martori
Renoir

Rosita Valero
Carmela

Xan das Bolas
Don Cosme Fernández

Rafael Bardem
Gerente del hotel polaco

Manuel Requena
Mozo

Matilde Muñoz Sampedro
Señora en restaurante

Julia Caba Alba
Mujer en el tren

Manuel de Juan
Worsikoff

Fernando Aguirre
Basilio

Roberto Font
Michel

Trini Montero
Princesa Jesusa
Pepito Goyanes
Niño espía X110

Marisa de Leza
Corista (uncredited)
José Durantes
(uncredited)

Arturo Marín
Hombre del queso (uncredited)

Rafael Romero Marchent
(uncredited)

Rosario Royo
Doña Rosa (uncredited)
Manuel San Román
Señor X (uncredited)
Crew

Benito Perojo
Director, Producer

Miguel Mihura
Story
María Paredes
Editor
Manuel Berenguer
Director of Photography
José María Ramos
Second Assistant Director

Armando Moreno
Assistant Director
Manuel Rosellón
Producer
Félix Mirón
Camera Operator
Jesús Rosellón
Assistant Camera
Francisco Puyol
Makeup & Hair
León Lucas de la Peña
Sound Director
Antonio Alonso
Sound Engineer
Juan Quintero
Music

Sigfrido Burman
Set Decoration
Francisco Rodríguez Asensio
Construction Coordinator
Valentín Javier
Still Photographer
Carmen Pageo
Script Supervisor
Miguel Tudela
Production Manager
Ángel Tudela
Production Secretary