Yes, this is a shot of Jason Alexander on Harry's Law. He brought the series to the episode "Bad to Worse."
Yes, this is Jason Alexander with hair. The actor guest stars on Harry's Law as a teacher.

Harry's Law Season 2 Episode 5 Quotes

He was let go due to budget cuts, know how I know? Because right here [points] it says "budget cuts".


Cross: I have a rather serious matter to discuss if you don't mind.
Harry: I do actually, beat it. I'm not receiving today.