Castle/The Human Factor

The Human Factor
Season 5, Episode 23
Airdate	May 6, 2013
Written by	David Amann
Directed by	Bill Roe
Stream
← 5x22 Still	5x24 → Watershed
Castle — Season Five

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The Human Factor is the twenty-third episode of the fifth season of Castle, and the one hundred fourth episode overall.

Starring: Nathan Fillion (Richard Castle), Stana Katic (Detective Kate Beckett), Susan Sullivan (Martha Rodgers) (credit only), Jon Huertas (Detective Javier Esposito), Seamus Dever (Detective Kevin Ryan), Tamala Jones (M.E. Lanie Parish) (credit only), Molly Quinn (Alexis Castle) (credit only), Penny Johnson Jerald (Captain Victoria Gates) (credit only)

Guest Starring: Carlos Bernard (Jared Stack), Eric Lange (Simon Warburg), Catherine Dent (Beth Tanner), Shane Coffey (Sean Tanner), Hrach Titizian (Omar Dixon), Steven M. Gagnon (Colonel Fortis), Jeffrey Meek (Ronald Hooper), Amanda Tepe (Monica Lane)

Co-Starring: Paul Keith (Myron Mayblee), Jed Bernard (Agent Guerrero), James Stellos (Dale Tanner)