[2] From 1947 to 1950, she was a member of Carroll's dance group and participated in the seasons of the Palacio de Bellas Artes' National Opera in Mexico City.
[2] A notable dancer by the time she was 15, she began her film career in the early 1950s with small roles in Secretaria particular (1952) and No te ofendas, Beatriz (1953).
One of her first successes was her performance in the play Ángeles y payasos (1952), directed by Luz Alba at the Teatro Esperanza Iris.
The theater critic Armando de María y Campos wrote that "the best performance rests in Otilia Larrañaga, as an actress and dancer, beautiful in figure and exquisite in feeling.
Larrañaga and Aguilar performed together in the films Mi papá tuvo la culpa (1953) and Reventa de esclavas (1954).