The house where Mrs. O'Connel and her son stay was also seen in an earlier episode "Kitara". This house was Mr. Roarke's residence in Fantasy Island (1977).
During Phelps' meeting with Hannah O' Connell when he is pitching his "services", he mentions Benjamin Dane as a business associate. Benjamin Dane was the name of the syndicate chieftain the IMF took down in a previous show this season titled "Movie".
Although Kim Hunter portrays Robert Hogan's mother, she was actually only 11 years older than Hogan.