Diana has appeared in over 60 films/television shows since she started her acting career in the mid seventies.
She graduated from the American Academy of Dramatic Arts.
In mini-movies, she won an Emmy nomination playing 'First Lady' Bess Truman in "Truman" and later played Rose Kennedy in "JFK: Reckless Youth."
For her roles in "Inside Moves" and "Mommie Dearest," she became the first actress ever to go from being an Oscar nominee to a Razzie "winner" in just one year.