We had Thelma's boyfriend in the episode regarding the strike, he also played Haywood on The White Shadow. He was Thelma's boyfriend when the kids didn't want to go out, instead, Flo went out with Willona to have a Rodney Allen Rippie.

There was "Bag" from Happy Days. The guy with the glasses. He played mostly in the first two seasons of Happy Days. He was a member of the gang that Fonzie used to belong to. He and his friend had the boys doing "the deadly dares".

Also, that old black woman, wasn't she in GT too? I have seen her in some show.