Episode Detail: Sins of the Father - Diagnosis Murder
Conclusion. Mark investigates the murder of a young woman who was shot to death while he examined her. The evidence links the crime to another murder more than 50 years ago that Mark's dad investigated, and may hold the key to why his dad left home. Carrie: Michele Greene. Julia: Alice Rogers. McNamara: Charles Napier. Sloan: Lewis Smith. Burke: Joseph Sirola. Akins: Alan Davidson. Brooks: Cyd Stittmatter. Mark: Dick Van Dyke. Steve: Barry Van Dyke.