Cornelia Guest (1963 - )
Film Deaths
- The Lost (2005) [Katherine's Mom]: Dies (off-screen) of unspecified natural causes in the mental hospital; she only appears in flashbacks to her breakdown, and we learn of her death when her daughter (Robin Sydney) gets the news.
Television Deaths
- Twin Peaks: Part 2 (2017) [Phyllis Hastings]: Shot in the head by Kyle MacLachlan as she tries to run away.