[1] Cynthia Klitbo was born on March 11, 1967, in Mexico City, Santa Maria la Ribera neighborhood, to a Danish father and a Mexican mother.

She began her television career in 1987, competing in “La Modelo del Año” where she placed 2nd; the winner was Carina Ricco, and 3rd place was the actress Angelica Rivera (former Mexican first lady), and playing a secondary character in the telenovela Como Duele Callar Amor en Silencio; Mi Segunda Madre, Yo Compro Esa Mujer, and Cadenas de Amargura soon followed.

An example is Klitbo's portrayal of the envious and psychotic Laura in La Duena opposite Angelica Rivera.

Her portrayal in El Privilegio de Amar as Tamara won her a prize in Premios TvyNovelas as best antagonist.

In the said telenovela, Klitbo had to shave her head in a scene to portray her character's emotional defeat and insanity.