Humberto Zurita as Dr. Francisco Riquer
Gabriela Rivero as Tracy López / Mariela Foret
Antonio Escobar as Sam Ross
Blanca Guerra as Alina Estrada
Manuel Ojeda as Julio Araujo
Adriana Roel as Laura Robles
Carlos Cámara as Luigi Valenti
Alonso Echánove as Father Juan
Luz María Jerez as Iris Salgado
Ana Patricia Rojo as Mónica Álvarez
José Ángel García as Dr. Arturo Lozano
Stephanie Salas as Pilar Orozco
Raquel Pankowsky as Adela
Germán Bernal as Ricardo Araujo
Egardo Gazcón as Dr. Raúl Soto
Alejandra Morales as Patricia
Miguel Priego as Jorge Palacios
Antonio Miguel as Erasmo
Guillermo Aguilar as Manuel Palacios
Raúl Araiza as Marcial Duboa
Luisa Huertas as Liliana
Mauricio Ferrari as Humberto Álvarez
Antonio Ruiz as Rodrigo
Beatriz Martínez as Eugenia
Josefina Escobedo as Emilia
Rebeca Manríquez as Mrs. Gálvez
Anabel Villegas as Rita
Alberto Inzúa as Alfredo
Miguel Suárez as Father José Antonio
Marcial Salinas as Sabino
Melba Luna as Doña Paz
Toño Infante as King
Sergio Sendel
Julio Monterde as Marcelino
Maricarmen Vela as Karla
Fernando Gálvez as Salvador
José Luis Duval as Guillén
Carmen Amezcua as Lindsay
Alfredo Gurrola as Tony
Antonio Rangel as Rodman
Ángeles Marín as Luz
Rosa Elena Díaz as Elvira
Gerardo Paz as Forman
Mario del Río
José Roberto Hill as Salgado
Alfonso Ramírez
Romina Castro
Roberto Sen as Carlos
Alicia Campos as Violeta
Concepción Martínez
Kokin as Matías
Enrique Muñoz as Rufo
Homero Wilmer as Pierre
Eduardo Arizpe as Frank
Laura Beyer as Alma
Sara Guasch as Carolina
Benjamín Islas as Rambo
Jaime Lozano as "El Bronco"
Guy de Saint Cyr as Captain Walters
Oscar Vallejo as Quique
Ana Graham as Greta
Rosita Bouchot as Prieta
Raúl Alberto as Adrián
Edith Kleiman as Martina
Lourdes Canale as Roberta
Tere Salinas as Doris
Angélica Ynrrigarro as Susana
Francisco Casasola as David
Dobrina Cristeva as Christa
Claudia Vega as Silvia
Marcela Arguimbau as Lourdes