* James Villiers also appears in the James Bond movie "For Your Eyes Only" (1981)
* Suzanne Lloyd also appears in Episode #31 "Luella", #44 "The Revolution Racket", #79 "The Man Who Liked Lions", #92 "Simon and Delilah" and #105 "The Time to Die"
* Stanley Meadows also appears in Episode #18 "Marcia" and #72 "The Queen's Ransom"
* Stanley Meadows also appears in the episode "The Man in the Middle" of The Persuaders
* Harry Towb also appears in Episode #11 "The Man Who Was Lucky"
* Peter Jeffrey also appears in Episode #61 "The Crime of the Century"
* Hazel Hughes also appears in Episode #19 "The Work of Art"
*
Another Volvo P1800 can be seen side by side with the Saint's car (0:00).
*
The same house was used in Episode #43 "The Scorpion"
*
Shouldn't Gabby and Simon have been surprised about the unknown car parking in the driveway of Gabby's house?.
*
Quincy is really well prepared!
How did he know that he'll need the cyanide to poison Johnny's tea? (0:16)
*
The footage with the truck from B. E. Barrett, Ltd. was used twice in the same episode (0:22 and 0:32).
*
Why does Quincy blow his cover when
he finds out that the waiteress is Gabby, the famous filmstar!? She and Simon don't
know him. Wouldn't it be better to say nothing and remain undiscovered? (0:40)