Mannix TV Show Watchlist

Season 6, Episode 17 A Matter of Principle

First Aired: January 14, 1973

Elsa Lanchester and Ruth McDevitt as sisters bent on prosecuting a traffic violator who's also a syndicate killer. Mannix: Mike Connors. Peggy: Gail Fisher. Seldon: Dana Elcar. Denver: Jack Knight. Bagley: Mel Novak. Vayleen: Abe Vigoda.

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  • Premise: A tough, cynical PI works L.A. in a long-running series of crime tales that were taut and violent. Originally, Joe Mannix worked for an ultracomputerized organization; later, he set up his own shop. But mayhem always predominated. (more)

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