Nanci Chambers played Meghan O'Hara. She has been the real life wife of David James Elliott since 1992. In Season 5, she would return as regular character Lt. Loren Singer.
Romania is portrayed as having reinstated the monarchy, but this has not happened, although there was a possibility of that occurring in the late 20th century. The king was forced to abdicate in 1947 and Romania and is now a presidential republic.
When the princess arrives at Harm's apartment, he asks "Where is Agent Culp?" The actor who plays Agent Clayton Webb is Steven Culp.
Michael Des Barres and Christopher Neame both previously stared in Macgyver.