Patrick John Flueger makes an appearance in this episode. Ten years later he goes on to star in Chicago P.D. (2014) as Officer Adam Ruzek. Chicago P.D. and SVU occasionally have at least one crossover episode a season.
Spencer Treat Clark (Brian Coyle) would later star in Spectacle (2011) as Greg Engles. Incidentally this episode also depicts brotherhood, this time showing Clark as the oldest.
Helen Slater (playing Susan Coyle) starred in Supergirl (1984), and played Kara Zor-El's adopted mom on Supergirl (2015). Christopher Meloni (Det. Stabler) was a co-star in Man of Steel (2013), about Supergirl's cousin Kal-El, or Superman.