Robert Balderson appeared on Little House On the Prairie (1974) as Lester and Man 2#. And in Little House: the Last Farewell (1983) as Doctor with Michael Landon.
Ving Rhames had an uncredited part as a drug dealer. You can see him about 12 & 1\2 minutes into the episode.
The piano player in the restaurant is playing a slow version of the "Highway To Heaven" theme.