Castle Need to Know (Season 6, Episode 3)
TV-PG
TV Episode | 44 min | Comedy, Crime, Drama

Castle

Need to Know (Season 6, Episode 3)

TV-PG

TV Episode | 44 min | Comedy, Crime, Drama

Esposito and Ryan investigate a former TV star's murder, but Beckett and her partner take over the case and do not want them, or Castle, involved.

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Cast	+ Add Cast
24 cast members

Name	Known for
Nathan Fillion Richard Castle Richard Castle See fewer	Castle (2009)
Stana Katic Kate Beckett Kate Beckett See fewer	Castle (2009)
Susan Sullivan Martha Rodgers Martha Rodgers See fewer	Dharma & Greg (1997)
Jon Huertas Javier Esposito Javier Esposito See fewer	This Is Us (2016)
Seamus Dever Kevin Ryan Kevin Ryan See fewer	Castle (2009)
Tamala Jones Lanie Parish (credit only) Lanie Parish (credit only) See fewer	Blue Streak (1999)
Molly C. Quinn Alexis Castle Alexis Castle See fewer	Castle (2009)
Penny Johnson Jerald Captain Victoria Gates Captain Victoria Gates See fewer	24 (2001)
Lisa Edelstein Rachel McCord Rachel McCord See fewer	House (2004)
Antonio Sabato Jr. Ramon Russo Ramon Russo See fewer	The Big Hit (1998)
Arye Gross M.E. Sidney Perlmutter M.E. Sidney Perlmutter See fewer	Better Call Saul (2015)
Joshua Bitton Grant 'Sully' Sullivan Grant 'Sully' Sullivan See fewer	The Pacific (2010)
James Patrick Stuart Ethan Wright Ethan Wright See fewer	Gettysburg (1993)
Emily Baldoni Svetlana Renkov (as Emily Foxler) Svetlana Renkov (as Emily Foxler) See fewer	Coherence (2013)
Alan Blumenfeld Hank Harper Hank Harper See fewer	Heroes (II) (2006)
Ruth Williamson Geraldine Powers Geraldine Powers See fewer	The Family Man (2000)
Jon Paul Burkhart Potential Dewey Potential Dewey See fewer	Sick for Toys (2018)
Jeff Grace Charlie Reynolds Charlie Reynolds See fewer	Folk Hero & Funny Guy (2016)
Nick Gracer Vlad Bardinov Vlad Bardinov See fewer	Barry (2018)
Kiyano La'vin Construction Worker Construction Worker See fewer	Under the Radar (I) (2017)
Myko Olivier Pi Pi See fewer	Menendez: Blood Brothers (2017)
JJ Snyder Reporter (as Jennifer Jean Snyder) Reporter (as Jennifer Jean Snyder) See fewer	2 Broke Girls (2011)
Mitchell Stanek Russian Mob Operative (uncredited) Russian Mob Operative (uncredited) See fewer	Trophy Wife (2013)
Eric Womack Russian Mob Operative (uncredited) Russian Mob Operative (uncredited) See fewer	Dear White People (2017)