- Jayne Atkinson - FBI Section Chief Director Erin Strauss
- Conrad Bluth - Declan
- Ursula Brooks - Chloe Donaghy
- Robin Atkin Downes - Lachlan McDermott
- Mark Moses - Senator Cramer
- Timothy V. Murphy - Ian Doyle
- Jennifer Jareau: Queen Elizabeth I said, "The past cannot be cured."
- Emily Prentiss: "I do solemnly swear that I will support and defend the Constitution of the United States against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; that I take this obligation freely, without any mental reservation or purpose of evasion; and that I will well and faithfully discharge the duties of the office on which I am about to enter. So help me God." — The FBI Oath of Office
- The title of the episode may be a reference to the proverb of the same name.