- Actor-Shared Background: Olga Petrovka speaks fluent English and Russian.
- Awesome, Dear Boy: This was basically Jeff Hephner's idea of the ideal acting job, given his fondness for fight scenes and stunt work.
- The Danza: Olga Fonda as Olga Petrovka.
- Inspired by...: Sharon Stone mentioned in interviews that Vice President Natalie Maccabee's character was inspired by Hillary Clinton's ongoing (as of 2015) campaign for the presidential elections.
- What Could Have Been: William Blake Herron mentioned in his personal Twitter account that there was plans to film a flashback sequence to the Revolutionary War where George Washington would have appointed his first agent to serve as the new nation's first Agent X.
- His interview revealed a few more details, including the reveal that the veteran Agent X agent he met was (to the audience) not his dad and his father did really die in the line of duty, Olga coming out to inform John that Malcolm is still held prisoner in Paris and to confront the president, who wanted his own squad of Agent Xs. Also, Volker would have been still alive.
Trivia / Agent X