Alejandro Parodi

as Dr. Pedro Sierra Genovés

José Carlos Ruiz

as Dr. Jorge Martínez Abasolo

Rebeca Silva

as Eva Aponte

Tito Junco

as President

Ignacio Retes

as Dr. Mario Zermeño

Eduardo Alcaraz

as Dr. Luis Mario Zavala

Héctor Godoy

as Luis Armando Torreros

Humberto Elizondo

as R. C. Jiménez, journalist

Leonor Llausás

as Widow of Alvarado

Zully Keith

as Magdalena, Dr. Sierra Genovés' wife

Nora Lárraga 'Karla'

as Health Inspector

Arlette Pacheco

as Journalist

María Barber

as President's Wife

Daniela Romo

as Laura

Carlos Fernández

as Bernardo Budillo

Ramón Menéndez

as Dr. Miguel Garzón Riera

Martin LaSalle

as Diplomatic

Roberto Dumont

as Dr. Arcadio Rincón Núñez

Francisco Llopis

as Eva's Father

Manuel Zozaya

as Dr. Everardo Morell

Amado Zumaya

as General

Jorge Fegán

as Quintanar, Turism Secretary

Héctor Téllez

Marco Antonio del Prado

César Sobrevals

as Minister

Marcelo Villamil

as Lic

Alberto Isaac

as Frihjof Hjolen, Norewgian Minister

Narciso Busquets

as Julián Arango

Laura Quiroz

as Singer

Sonia Aguilar

as Singer