The Two Mrs. Grenvilles

The Two Mrs. Grenvilles is a 1985 novel by Dominick Dunne based on the sensational Woodward murder case of 1955. It was made into a television miniseries in 1987, directed by John Erman, and starring AnnMargret, Elizabeth Ashley, Claudette Colbert and Stephen Collins. It was Colberts last performance.

Source: Wikipedia