This episode includes one of those rare moments when Perry, for a second, loses his cool as he slams a medicine ball into Arthur Jacks' Mike Mazurki stomach after a nasty wisecrack.
This is one of four Perry Mason episodes in which Julie Adams appears. Her career endured for several decades, but she is probably best remembered for playing the love interest of the title character in the 1954 sci-fi classic Creature from the Black Lagoon (1954).
In a survey of Perry Mason fans, this episode was ranked the 2nd highest of the entire series, with a 90% approval rating. The #1 episode was the series finale (The Case of the Final Fade-Out (1966)) with a 92% rating.
The '63 Ford police cars used are Galaxie models - Ford squad cars would be the more basic 'Custom' series and not the high-end Galaxies shown.