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?

Main Cast of Diagnosis Murder: A Twist of the Knife

Dick Van Dyke as Doctor Mark Sloan

Dick Van Dyke

Doctor Mark Sloan
Suzanne Pleshette as Dr. Rachel Walters

Suzanne Pleshette

Dr. Rachel Walters
Cynthia Gibb as Dr. Amanda Bentley

Cynthia Gibb

Dr. Amanda Bentley

Crew of Diagnosis Murder: A Twist of the Knife

Full backstage crew list →