Actress Sally Kellerman died Thursday at the age of 84. Her son, Jack Krane, confirmed her death to The Hollywood Reporter. Kellerman's publicist, Alan Eichler, confirmed to Variety. Krane specified that the cause of death was dementia. Kellerman's movie career began in the 1957 Samuel Arkoff produced Reform School Girl. She appeared in television episodes through the '60s including The Twilight Zone, Bonanza and the Star Trek episode "Where No ...