* Jan Holden also appears in Episode #87 "The Fast Women"
* Ann Gillis also appears in Episode #30 "The Romantic Matron"
* Arnold Diamond also appears in Episodes #26 "The Bunco Artists", #27 "The Benevolent Burglary", #48 "The Death Penalty", #70 "The Spanish Cow" and #80 "The Better Mousetrap" (every time the same role!). Diamond also appears in the episode "Five Miles to Midnight" of The Persuaders
* Cec Linder also plays Felix Leiter in the James Bond movie "Goldfinger" (1964). [Submitted by Wojciech Trojanowski]
*
The set for this scene (0:04) is the same as the one used in Episode
#70 "The Spanish Cow" (0:18) 
.
*
The terrace set (0:08) is the same as the one used in Episodes (redecorated) #69 "The Saint Bids Diamonds" (0:38) 
and #70 "The Spanish Cow" (0:09) 
.
*
The Asian lion prop was used in Episode
#65 "The Smart Detective" (0:24) and in Episode #67 "The Persistent Parasites" 
(0:43). [Submitted by Wojciech Trojanowski]
*
The hidden safe (0:31) is the same as the one used in Episodes
#54 "The Set-Up" (0:27) 
and #70 "The Spanish Cow" (0:08)
. Even some of the books at the side are the same.
*
Although the set for the boat has a slightly different furniture than the one used in Episode
#62 "The Happy Suicide" (0:21) 
it is the same - the pattern of the upholstery and the door curtain give it away (0:38).