This episode was B-movie actor Arline Judge's final appearance in film/television. She died about 10 years later, in her apartment at age 61.
No regular cast member appears until 19:05, perhaps the longest such interval in series history.
This is the second time Burger puts Mason on the stand to testify. After Burger finishes questioning Mason, Burger mockingly tells Mason "your witness" telling Mason to cross-examine himself. The first time was in season 1.