According to this episode (and the consequent three), this episode reunites Will Yun Lee and Daniel Dae Kim. Ultimately, both actors starred in Hawaii Five-0 (2010); Kim as one of the series' main characters, Chin Ho Kelly, and Lee as the reoccurring character Sang Min (11 episodes).
Actresses Tamlyn Tomita and Robyn Lively have starred in a Karate Kid movie: Tomita in The Karate Kid Part II (1986) and Lively in The Karate Kid Part III (1989). However, in both cases. their characters played Daniel LaRusso (Ralph Macchio) romantic interest.
Three actors in this episode have appeared with Jethro Gibbs (Mark Harmon) on JAG (1995) or NCIS (2003): Robyn Lively, Richard Schiff, and Ravi Kapoor.