Murder, She Wrote/It Runs in the Family
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It Runs in the Family is the sixth episode of the fourth season of Murder, She Wrote, and the seventy-second episode overall.
Guest Stars in Alphabetical Order: John David Bland (Derek Constable), Mark Lindsay Chapman (Johnny Constable), Christopher Hewett (Humphrey DeFoe), Richard Johnson (Geoffrey Constable), Jane Leeves (Gwen Petrie), Rosemary Murphy (Sybil Constable), Anthony Newley (Inspector Frost), Carolyn Seymour (Pauline Constable), John Standing (Arthur Constable),