Silvia Pinal as Leonor Rivas Conde / Regina Salsamendi

Manolo Fábregas as Manuel

Prudencia Grifell as Simplicia

José Gálvez as Romualdo

Julio Villarreal as Dr. Meollo

Mauricio Garcés as Gabriel Jiménez

Alfredo Varela as

Manuel Vergara 'Manver' as

José Luis Menéndez as Prof. Julián de Mendoza

Gloria Mestre as Gloria

Alberto M. Simeon as Casildo

Elena Conesa as Josefa, the chef

Lupe Carriles as Marcela

Alberto Sacramento as Bald he-nurse

Francisco Pando as Man in the hospital