With this episode, Eric Christmas takes over the role of Parker, which had previously been played by John McLiam.
This was the last of six guest appearances made by Tom Skerritt over the years, stretching back to the first season.
E.G. Marshall returns as Judge Carver, whom he played six episodes back in "Lady at the Bar."
This is undoubtedly a coincidence, but the theme of a man who harbors feelings for his sister to the point of killing her suitors is reminiscent of "Scarface."