'August: Osage County' Actress Reported Missing

LOS ANGELES (CBSLA.com) —  Actress Misty Upham has been reported missing.

Upham is perhaps best known for starring in "Frozen River" as well as roles in "Django Unchained" and "August: Osage County," where she played the housekeeper.

The actress' family said she has a medical condition and they are very worried about her well-being. Her father told the "Hollywood Reporter" that his daughter had recently been acting erratically after her meds were changed.

Upham, 32, has not been seen for a week.

She reportedly texted her parents, "You don't need to worry about me anymore."

Authorities said the acclaimed Native American actress was staying with her sister in Washington state when she simply vanished.

Upham's other credits include TV's "Big Love" and the 2003 TV movie "Edge of America."

She will be seen next alongside Jennifer Aniston in "Cake."