Anomaly: Grant Williams, listed in the trailing credits as Dr. Todd Meade, is identified as Dr. Todd Mead on his laboratory door. Submitted by daveb, 12/21/2007.
+ The closed captions as of today also use the latter spelling. Submitted by gracenote, 5/24/2011.
++ The Tryon Industries Employment Record shows the spelling as "Meade". jfh 01Aug2018.

Alizia Gur (variously spelled Alizia and Aliza), makes her only Perry appearance here playing Dr. Nina Revelli. Ms. Gur was born in Israel and served in the Israeli military. She was also a semi-finalist in the Miss Universe Pageant of 1960, as Miss Israel. Submitted by PaulDrake33, 12 September 2009.
+ Beside Alizia Gur, there was also Ziva Rodann, Show # 142, who was Miss Israel 1957. Submitted by cspoleta 12/17/2015.

Gilbert Green played an SS Major in Star Trek: "Patterns of Force"; the 1968 episode was banned on German Free TV until 2011 due to its Holocaust theme [Memory Alpha website]. Mike Bedard 2.25.15.

Location: Yet again Perry finds a parking spot right in front of the Stanley Mosk Courthouse in Downtown Los Angeles (~32 minutes into the episode). Submitted by Eric Cooper, 25 September 2010.
+....and manages to lose his pocket square en route to the courtroom. DOD 04/21/20

Sightings / Uncredited Actors: Don Anderson appears in the first row of the courtroom gallery, wearing the same dark-rimmed glasses as in episode 252, TCOT Silent Six. And “Miss Carmody” (with a somewhat unflattering hairdo) sits immediately to his right. Submitted by FredK, 20 December 2010.
+ As Paul Drake enters the courtroom and sits behind Perry, we can see the Quiet Old Man #1 seated in the back row of the gallery. Submitted by gracenote, 5/24/2011.
+ + Gee, i kinda liked Miss Carmody in Red Floofy Hair.

Continuity Error: In the Tryon dining room, we find Drake, Mason, Scranton, and Rupert using the Curious Coffee Set with matching plates. In a close-up of the detective’s hand, however, the set has magically transformed into a classic pattern china. Submitted by gracenote, 5/24/2011.

Keystone Colleges: Lehigh and Scranton, names of two of this episode's principals, also are names of universities in northeastern Pennsylvania. Maybe one of the writers was homesick. JohnK, 17 November 2015

This is the second of two PM appearances for Teru Shimada, who was born in Japan in 1905 and passed in Encino CA in 1988...MikeM. 3/22/2017

This is the only PM appearance for Mary Treen, whose career in films and television spanned over fifty years. Her longest-running role was as Hilda on "The Joey Bishop Show"...MikeM. 3/28/2018

According to IMDb, this is the fifth of five appearances for Ben Cooper
- Lowell Rupert The Case of the Baffling Bug (1965)
- Clyde Jasper The Case of the Mischievous Doll (1965)
- James Grove The Case of the Polka Dot Pony (1962)
- Davis Crane The Case of the Promoter's Pillbox (1962)
- Frank Wells The Case of the Impatient Partner (1961)
jfh 01Aug2018.

In the final scene, at the Shimada Gardens, we can see sushi on a serving platter, which was pretty unusual for the time period. Submitted by catyron, July 31st, 2018