She entered the Indonesian film industry and soared to popularity with Usmar Ismail's commercially successful Tiga Dara (1957).

She graduated from the University of Indonesia with a degree in psychology in 1968, and has taught the subject at the Jakarta Art Institute [id].

She is the daughter of Robert Maria "Bob" Iskak,[1] an educator who transitioned to film in 1952, when he became the director of Penjelendup (Smuggler).

[2] Indriati made her feature film debut in Usmar Ismail's Tiga Dara (Three Maidens, 1956), starring alongside Chitra Dewi and Mieke Wijaya.

[10] In the mid-1970s Indriati also taught psychology at the Jakarta Art Institute [id],[1] and for fifteen years she was on the board of the Strada system of Catholic schools.