Sparkling Cyanide (1983)

One sip lasts forever.

Cast

Anthony Andrews, Deborah Raffin, Pamela Bellwood, Nancy Marchand, Josef Sommer

Overview

The beautiful but unfaithful wife of a successful lawyer meets her untimely end at their anniversary dinner. After a suicide note is found soon after her death, it seems more likely that she was murdered, as all the dinner guests had good reason to want her dead.