Castle/Need to Know

Need to Know
Season 6, Episode 3
Airdate	October 7, 2013
Written by	Elizabeth Beall
Directed by	Larry Shaw
Stream
← 6x02 Dreamworld (2)	6x04 → Number One Fan
Castle — Season Six

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Need to Know is the third episode of the sixth season of Castle, and the one hundred eighth episode overall.

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

Guest Starring: Lisa Edelstein (Rachel McCord), Antonio Sabato, Jr. (Ramon Russo), Arye Gross (M.E. Sidney Perlmutter), Joshua Bitton (Grant "Sully" Sullivan), James Patrick Stuart (Ethan Wright), Emily Foxler (Svetlana Renkov), Alan Blumenfeld (Hank Harper), Ruth Williamson (Geraldine Powers)

Co-Starring: Jon Paul Burkhart (Potential Dewey), Jeff Grace (Charlie Reynolds), Nick Gracer (Vlad Bardinov), Kiyano La'vin (Construction Worker), Myko Olivier (Pi), Jennifer Jean Snyder (Reporter)