Conrado San Martín

Enrique Vallar

Elena Espejo

Ana María Figueroa

Francisco Rabal

Rafael Figueroa

Mary Lamar

Rosario Carreras

Carlo Tamberlani

Comisario

Rosita Valero

Farmacéutica

María Bru

Doña Teresa

Luis Pérez de León

Manzanares

Rafael Navarro

Testigo

Eugenio Testa

Don Antonio Herrera

José Ramón Giner

Guarda / testigo

Luis Induni

Ayudante del comisario

Emilio Fábregas

Farmacéutico (uncredited)

Xan das Bolas

Sereno (uncredited)

Modesto Cid

Presidente del tribunal (uncredited)

José Manuel Pinillos

Javier Guerra 'El Topo' (uncredited)