Background
Her father is actor-director Ruj Ronnapop (Thai: รุจน์ รณภพ. A stage name).
Her father is actor-director Ruj Ronnapop (Thai: รุจน์ รณภพ. A stage name).
Intira attended Khemasiri Memorial School (โรงเรียนเขมะสิริอนุสสรณ์). She received a bachelor of arts in communication arts, majoring in advertising, from Bangkok University.
She is best known for her role as Mae Nak in the 1999 Thai horror film, Nang Nak. In 2007, she was featured in a prominent role as the warrior Princess Lurkin in part two of King Naresuan. Intira comes from a well-known show business family.
Her elder half sister, Siriwimol "Mai" Charoenpura (Thai: ใหม่ เจริญปุระ) is a popular singer and actress with GMM Grammy.
At the age of 13, Intira starred in her first Thai television drama (lakorn) Louisiana (Thai: ล่า, hunt) produced by X"ACT, the drama wing of GMM Grammy. In the lakorn, she portrayed a girl who, together with her mother (played by Sinjai Plengpanich), were gang raped.
Intira became a celebrity, known for taking this difficult role in her first acting work.
She became mentally ill while her mother proceeded to hunt down, torture and kill each and every member of the gang.