That was over 29 years ago in 1992.
Today she is 52, and has starred in 59 movies in total, 57 since O Pioneers! was released.
In O Pioneers!, I think Anne Heche looks:
O Pioneers! scores 5.5 out of 10 on The Movie Database.
Anne Heche's first acting role was as 'Marie' in O Pioneers!, released in 1992 when she was 22.