( CNN ) -- Actress Misty Upham , whose body was found in October along a river in suburban Seattle , died from blunt force injuries to her head and torso , the King County Medical Examiner said Thursday . The manner of her death has not yet been determined , the medical examiner 's office said . Investigators found Upham 's body during a search for the missing actress . It lay at the bottom of a steep embankment near the White River . Upham , 32 , was last seen alive October 5 walking from her sister 's apartment , according to a statement sent to media outlets by her father , Charles Upham . Authorities say she died that day , but it was n't until more than a week later that investigators found her body . Her father said she had bipolar disorder and bouts of depression and anxiety , but he did n't think she was suicidal . Police have said they do n't have evidence of foul play . Upham had small roles in `` Django Unchained '' and `` August : Osage County , '' and was nominated for an Independent Spirit Award for her performance in 2008 's `` Frozen River . '' She 's also had roles in the TV series `` Big Love '' and the TV movie `` Skinwalkers . '' CNN 's Todd Leopold and Brandon Griggs contributed to this report .
Investigators found actress Misty Upham 's body at the bottom of an embankment . The bodies were discovered by a man who was walking his dog in the area around 12:30 p.m. on Wednesday. The manner of her death has not yet been determined , the medical examiner says . Upham 's father has said she was n't suicidal ; police say there 's no sign of foul play .