Judge Hopkins, who performs the impromptu marriage ceremony, is portrayed by James Avery, who may be better recognized for his more famous judicial role, as Judge (Uncle Phil) Banks, for six seasons on the Fresh Prince of Bel Air.
Timothy Stack who plays Mr. Marley also played Tim Bond a government agent in two episodes in season 6 and Bill who was engaged to Christine in season 4.
The title is of the song "Wedding Bell Blues" by Laura Nyro in 1966 and recorded by The Fifth Dimension.