"A newly remarried widow is accused of having murdered her first husband, who died from arsenical poisoning. Being her present husband a lawyer he takes charge of her defense."
Conrado San Martín
as Enrique Vallar
Elena Espejo
as Ana María Figueroa
Francisco Rabal
as Rafael Figueroa
Mary Lamar
as Rosario Carreras
Carlo Tamberlani
as Comisario
Rosita Valero
as Farmacéutica
María Bru
as Doña Teresa
Luis Pérez de León
as Manzanares
Rafael Navarro
as Testigo
Eugenio Testa
as Don Antonio Herrera
José Ramón Giner
as Guarda / testigo
José Goula
as Juez
Luis Induni
as Ayudante del comisario
Juan Monfort
Emilio Fábregas
as Farmacéutico (uncredited)
Xan das Bolas
as Sereno (uncredited)
Modesto Cid
as Presidente del tribunal (uncredited)
Francisco Linares-Rivas
as Fiscal (uncredited)
Ramón Hernández
as Trapero (uncredited)
José Manuel Pinillos
as Javier Guerra 'El Topo' (uncredited)
Fernando Porredón
as Don Julio (uncredited)
Julio Salvador
Director
Julio Coll
Writer
Manuel Tamayo Castro
Emilio Hernández Pino
Screenplay
Ramón Ferrés
Music
Federico G. Larraya
Director of Photography
Antonio Isasi-Isasmendi
Editor
Juan Alberto Soler
Set Decoration
Pilar Campanales
Hairstylist
Práxedes Martínez
Assistant Makeup Artist
Antonio Turell
Makeup Artist
Miguel Grau
Production Manager
Jesús Castro Blanco
Assistant Director
Francisco Pérez-Dolz
Juan Zaro
Property Master
Mario Bistagne
Camera Operator
Aurelio G. Larraya
Assistant Camera
Carlos Pérez de Rozas
Still Photographer
Carmen Armengol
Costumer
Pascual Bibian
Assistant Editor
Josep Maria Forn
Script Supervisor