Alberto Closas as Carlos Alonso

Amparo Soler Leal as Mercedes Cebrián

José Isbert as El abuelo

José Luis López Vázquez as Juan, el padrino

María José Alfonso as Mercedes Alonso

Carlos Piñar as Antonio Alonso

Chonette Laurent as Luisa Alonso (as Chonet Laurent)

Jaime Blanch as Carlitos Alonso

Mircha Carven as Juanito Alonso

Francisco Martínez Ligero as Julio César, el gemelo 1

Manuel Martínez Ligero as Octavio Augusto, el gemelo 2

Conchita Rodríguez del Valle as Carlota, la hacendosa

Pedro Mari Sánchez as Críspulo, el petardista

Oscar Lowy as Federico Guillermo

Carmen García Mateo as Victoria Eugenia

Maribel Martín as Sabina

María Jesús Balenciaga as La mellada

Alfredo Garrido as Chencho

Ester Romero as Ludgarda

Paula Martel as Paula, la maestra

Tomás Picó as Jorge

Paco Valladares as Alberto Muñoz

George Rigaud as Rey Gaspar

Julia Gutiérrez Caba as Sra. que encuentra a Chencho

José Orjas as Gustavo, el vecino

María Isbert as La nueva chacha

Agustín González as Periodista

José Marco Davó as Don Pedro

Antonio Casas as Sr. que encuentra a Chencho

José María Caffarel as Vecino de la TV

Emilio Fábregas as Portero del cine

Erasmo Pascual as Eulogio

Luis Morris as El doctor

Alfonso Godá as

Jesús Álvarez as Locutor T.V.

Jacinto San Emeterio as Examinador

Dolores Gálvez as

Luis Barbero as El cartero

José María Prada as Locutor de radio

Jesús Guzmán as Conserje Ciudad Residencial

Francisco Bernal as

José Sepúlveda as Comisario

Santiago Ontañón as

Juan Cazalilla as Pastelero

Vicente Sangiovanni as

José Morales as Dependiente de G. Preciados

Vicente Bañó as Javier

José Villasante as

Maribel Hidalgo as

Pedro Sempson as

Guillermo Hidalgo as

Joaquín Bergía as

Alberto Montaña as

Fernando G. de la Riva as

María del Carmen Ruiz as

Pablo Núñez as

Luis Rico as

Ángel Álvarez as El frutero

Francisco Camoiras as Empleado T. V.

Ángel Terrón as

Rufino Inglés as

Isidoro Fernández as El vecino

Antonio Martínez Ferrez as

José Castells as

Valentín Tornos as Hombre en el bar

Manuel Miranda as

María Pinar as

Pepita Sánchez as

Gregorio Alonso as

Félix Acaso as Rey Gaspar / Jefe policía / Policía centralita (voice)

Salvador Arias as Don José (voice) (uncredited)

Xan das Bolas as (uncredited)

Joaquín Burgos as (uncredited)

Maripe Castro as Luisa, la coqueta (voice) (uncredited)

José María Cordero as Sr. que encuentra a Chencho (voice) (uncredited)

Joaquín Escola as El doctor (voice) (uncredited)

Antolín García as Locutor de Voz de Madrid (voice) (uncredited)

Celia Honrubia as Paula, la maestra (voice) (uncredited)

Teófilo Martínez as Vecino de la TV (voice) (uncredited)

Mercedes Mireya as Mercedes, la enamorada (voice) (uncredited)

Laly Soldevila as La chacha que se va (uncredited)