David Wayne and guest star Murray Hamilton would both go on to play Big Daddy Hollingsworth on The Golden Girls (1985) - Hamilton played the role first; after he died, the role was recast with Wayne.
Orson Bean, who plays the nephew, was forced by NBC to rerecord his lines after the show was finished. Studio executives thought his original reading of his lines was too effeminate for viewer sensibilities at the time
The actors who play Deputy Stu and PI Sikes are uncredited, despite having extensive dialogue.