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The Marathon Murders

During a Marathon Group Therapy weekend Ken Scanlan talks about his unfaithful wife Ruth. Lorraine, with whom he had a brief affair, slays Ruth to help Ken. As Ruth's life insurance policy had a double-indemnity clause, Barnaby and J.R. investigate hoping to stop any further murders.

English
Name Type Role
Worley Thorne Writer
Anne Newman-Mantee Guest Star
Laurie Jefferson Guest Star
Lynne Marta Guest Star
Paul Mantee Guest Star
Sudie Bond Guest Star
Gina Alvarado Guest Star
Sean Morgan Guest Star
Robert Hogan Guest Star
Lynette Mettey Guest Star
Alex Henteloff Guest Star
Mary Jackson Guest Star
Walter Grauman Director