"Three married couples gather to celebrate the eighteenth anniversary of their marriage mourning the absence of a friend who was best man at all three weddings."
Arturo de Córdova
as Gustavo Ferran
Laura Hidalgo
as Ada
Miroslava
as Leopoldina
José María Linares Rivas
as Javier
René Cardona
as Jorge
José Elías Moreno
as Máximo
Consuelo Frank
as Genoveva
Alma Delia Fuentes
as Clara
Armando Sáenz
as Luciano
Arturo Soto Rangel
as Francisco
Lidia Franco
as Sirvienta (uncredited)
Francisco Jambrina
as Doctor (uncredited)
Cecilia Leger
as Mujer en aeropuerto (uncredited)
Roberto Gavaldón
Director
Screenplay
José Revueltas
Writer
Alejandro Casona
Theatre Play
Mauricio Magdaleno
Gregorio Walerstein
Producer
Antonio Díaz Conde
Original Music Composer
Agustín Martínez Solares
Director of Photography
Juan José Marino
Editor
Benjamin de León
Casting
Jorge Fernández
Art Direction
Pedro Gallo
Set Decoration
Armando Valdés Peza
Costume Design
Margarita Ortega
Makeup Artist
María E. Salazar
Hairstylist
Jacobo Derechín
Production Manager
Manuel Muñoz 'Torito'
Assistant Director
Rodolfo Benítez
Sound Recordist
Abraham Cruz
Sound Editor
Galdino R. Samperio
Sound Re-Recording Mixer
José Antonio Carrasco
Camera Operator
Juan Durán
Lighting Technician
Cristina G. de Escobar
Set Costumer
Manuel Alcayde
Script Supervisor
Nicolás Rueda Jr.
Title Designer
Óscar Lepe
Projection