Before Jill is put in the ambulance, you can see on the marquee in the background California Split (1974), a gambling based movie, also with Bert Remsen.
Nigel Bullard (Employee) later appears as different characters in season two's Angel Flight (1977), season three's Counterfeit Angels (1979) and season four's One Love... Two Angels: Part I (1980) and One Love... Two Angels: Part II (1980).
Both Tony Giorgio (Blackjack Dealer) and Bert Remsen (Pinky Tibbs) later appear as different characters in season two's Diamond in the Rough (1978).