- Vaughn Armstrong - Vernon Duncanson
- Andrew Astor - Young Spencer Reid
- Jon Barton - SWAT Leader
- Xander Berkeley - Detective Hyde
- Shirly Brener - Adrianna
- David O. Combs - Sheriff Petersen
- Bruce French - Doctor Norman
- Meta Golding - Agent Jordan Todd
- Brian Goodman - Lou Jenkins
- Rachel Grow - Nurse
- Andrew Harlander - Gary Brendan Michaels
- Paul Jeans - Desk Sergeant
- Jane Lynch - Diana Reid
- Taylor Nichols - William Reid
- Josh Stewart - Detective William LaMontagne, Jr.
- Lisa Tharps - Ms. Cahill
- Dee Wallace - Doctor Jan Mohikian
- Justin T. Wren - Riley Jenkins
- Spencer Reid: "What was silent in the father speaks in the son, and often I've found in the son the unveiled secret of the father." – Friedrich Nietzsche
- Spencer Reid: "There is no refuge from memory and remorse in this world. The spirits of our foolish deeds haunt us, with or without repentance." – Gilbert Parker
- In the episode, Reid finds Morgan and Rossi watching The Young and The Restless. This is a reference to Shemar Moore, the actor who portrays Morgan, as one of his first roles on TV, was that of Malcolm Winters on the daytime soap opera, from 1997 to 2005.
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