Ongg made her film debut in the 1961 Japan-U.S. production The Big Wave, based on the Pearl S. Buck novel. She enjoyed great popularity in Chinese-speaking countries, and won the Best Actress honor at the ninth Taipei Golden Horse Film Festival. She later won the Special Prize at the 19th Asia Film Festival. She has recorded for Columbia Records, CBS Sony and Toshiba EMI. Her 1979 hit Miserarete sold two million copies. Ongg has had at least one song appear on the NHK program Minna no Uta, and has appeared on the New Year's Eve spectacular Kōhaku Uta Gassen with songs "Miserarete" in 1979 and "Reika no Yume" in 1980. One of her most popular songs is "The Story of O-Shin", the Cantonese opening song for the hit drama, Oshin.
