José María Caffarel

Comisario Dupuy

Ángel del Pozo

Simenón

Mary Santpere

Oscar J. Bennett

Liliane Brousse

Bettina

Carlos Casaravilla

Ivan Sharovski

Lily Vincenti

Mrs. Brown

Manuel de Melero

Victor Burke

María Dolores Díaz

Compañía

Emilio Sancho

León

Consuelo Vives

Dependienta de la bombonería

Pilar Montejo

Esposa de Ivan

Carlos Ronda

Director del hotel

Alejo del Peral

Recepcionista

Paulina Besoli

Faustina

Fresia Coscolla

Paquita Virgili

Lorena Montel

Antonio Alonso

José Palomo

Portero

Manuel Bronchud

Durán

Carmen Villa

Mercedes Faves

Carmen Roger

Compañera de Bettina

Natalia Randall

Rosario Yagüe

Conchita Gotí

Juan Fernández

Monsieur Legrand (uncredited)

Ricardo Núñez

Director

Alfonso de Lucas

Set Decoration

Elisa Plana

Assistant Makeup Artist

Pepita Pruna

Script Supervisor

Pascual García

Assistant Camera

Elisa Aspachs

Makeup Artist

Federico G. Larraya

Director of Photography

Albert Gasset Nicolau

Editor

José Román

Production Assistant

Augusto Algueró

Music

Emilio Martos

Assistant Director

Salvador Gil

Camera Operator

Rafael Pérez de Rozas

Still Photographer

Enrique Pons

Sound Assistant

Enrique Bronchalo

Construction Coordinator

Angela Grau

Assistant Editor

Antonio Jover

Production Assistant

Luisa Maria Linares

Writer

Noel Clarasó

Screenplay

José Torregrosa

Music

Gervasio Banciella

Production Manager

Juan Carlos Sabaté

Screenplay

Ricardo Núñez

Executive Producer

Carlos de la Riva

Sound Engineer