Diagnosis Murder: A Twist of the Knife

Dr Sloan suspects that his flame of long ago, famous heart surgeon Dr Rachel Walters, has murdered US Senator Cabot on the occasion of a guest operation at the community hospital. After a long investigation, Sloan and fellow detectives Dr Bentley and Dr Parker discover her motive: Years ago, Cabot had caused a hit-and-run accident that put her daughter into coma. But how did Dr Walters manage to pass the deadly bacteria on to the senator in front of TV cameras?

Cast

Dick Van Dyke

as Doctor Mark Sloan

Suzanne Pleshette

as Dr. Rachel Walters

Cynthia Gibb

as Dr. Amanda Bentley

Christina Pickles

as Marilyn Cabot

Stephen Caffrey

as Dr. Jack Parker

Corinne Bohrer

as Nurse Judith

Barry Van Dyke

as Det. Steve Sloan

Luca Bercovici

as Mr. Macon

Ken Lerner

as Bristol

Ben Masters

as Dennis Chapin

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