Boston professor and amateur detective, Michael Spraggue, together with his eccentric aunt investigates a suspicious physician in connection with the death of his acquaintance which endangers their lives.
| Actor | Role |
|---|---|
 Michael NouriMichael Spraggue | Michael Spraggue |
 Glynis JohnsAunt Mary | Aunt Mary |
 James CromwellLt. George Hurley | Lt. George Hurley |
 Mark HerrierRandy Hern | Randy Hern |
 Patrick O'NealDr. Miles Richards | Dr. Miles Richards |
 Andrea MarcovicciSamara Weller | Samara Weller |
 Hank GarrettKnuckles | Knuckles |
| CCallan WhiteHildegarde | Hildegarde |
 Fritzi Jane CourtneyJudge | Judge |