One Step to Eternity

One Step to Eternity
Directed by	Henri Decoin
Written by	Patricia McGerr (novel) Jean de Baroncelli J.C. Eger Henri Decoin
Starring	Danielle Darrieux Michel Auclair Corinne Calvet Lyla Rocco
Cinematography	Robert Lefebvre
Edited by	Denise Reiss
Music by	René Sylviano
Production companies	CFC Films EGE Noria Film
Distributed by	La Société des Films Sirius (France)
Release date	17 December 1954 (1954-12-17)
Running time	90 minutes
Countries	France Italy
Language	French

One Step to Eternity (French:Bonnes à tuer, Italian:Quattro donne nella notte) is a 1954 French-Italian thriller film directed by Henri Decoin and starring Danielle Darrieux, Michel Auclair and Corinne Calvet.¹ It was shot at the Boulogne Studios in Paris. The film's sets were designed by the art director Jean d'Eaubonne with costumes by Pierre Balmain.

A French newspaper editor invites his wife, ex-wife, mistress and intended fiancée to his apartment, planning to murder one of them.

• Danielle Darrieux as Constance Andrieux dite Poussy
• Michel Auclair as François Roques dit Larry
• Corinne Calvet as Véra Volpone
• Miriam Di San Servolo as Maggy Lang
• Lyla Rocco as Cécile Germain-Thomas
• Gérard Buhr as William Jordan
• Roberto Risso as Mario Mirador
• Gil Delamare as Forestier
• Ky Duyen as Bao, le serviteur
• Émile Genevois as Le postier
• Jean Berton as Un inspecteur
• Jean Sylvère as L'aveugle
• Jacques Jouanneau as Le flic
• Raymond Gerome as Un client de la boîte