Who are some actors and actresses you think are underrated?

I have always liked Snodgress. I have recently ordered a Bronson dvd with her in it called Murphy's Law - 86'. She is a psycho who is released from prison and goes after all those responsible for putting her away, murdering anyone who gets in her way. She is very believable and ruthless. She works out and goes after Murphy, a cop on the run with a foul mouthed teen, after murdering his wife and then setting him up. It is a real b grader, but a lot of fun. I bet Snodgress had fun making it.

Monroe was always a treat to watch, but I am not so sure if she is considered under-rated.

Black, Tyrrell—a one of a kind and asset to any film she graced—and Miles were all terrific.

I always liked Lois Smith, who was also in Five Easy Pieces and such a warm and giving character actress—she is still alive—and of course Tuesday Weld, who just didn't seem to want to fit into the Hollywood niche and turned down roles that she would have been absolutely terrific for. She was also a very attractive woman. She apparently wanted to play Frances Farmer but lost out to Lange. Now that would have been a very interesting turn, since I kowtow and grovel at the feet of Lange's no holds barred and raw fully exposed performance.