This episode (Down a Long and Lonely River (1974)) features two actors, who,though they didn't share any screen-time here, would soon co-star as a pair of undercover detectives, who worked together as part of the Criminal Conspiracy Unit; Charles Dierkop, and Ed Bernard, known by their screen names of 'Royster' and (Ed) Styles, on Police Woman (1974).
Dancik (John Aniston)'s daughter (Jennifer Aniston) was Telly Savalas' god-daughter (side note; both the Aniston's and Savalas were of Greek heritage).