Castle The Dead Pool (Season 3, Episode 21)
TV-PG
TV Episode | 43 min | Comedy, Crime, Drama

Castle

The Dead Pool (Season 3, Episode 21)

TV-PG

TV Episode | 43 min | Comedy, Crime, Drama

When a champion swimmer and Olympic hopeful is found dead in a training pool, Castle and Beckett dive in to investigate his murder, and uncover myriad secrets that might have led to his death.

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Cast	+ Add Cast
27 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)
Ruben Santiago-Hudson Captain Roy Montgomery Captain Roy Montgomery See fewer	Ma Rainey's Black Bottom (2020)
Molly C. Quinn Alexis Castle (as Molly Quinn) Alexis Castle (as Molly Quinn) See fewer	Castle (2009)
Jon Huertas Javier Esposito Javier Esposito See fewer	This Is Us (2016)
Tamala Jones Lanie Parish Lanie Parish See fewer	Blue Streak (1999)
Seamus Dever Kevin Ryan Kevin Ryan See fewer	Castle (2009)
Michael Connelly Michael Connelly Michael Connelly See fewer	Bosch: Legacy (2022)
Dennis Lehane Dennis Lehane (as Dennis J. Lehane) Dennis Lehane (as Dennis J. Lehane) See fewer	The Drop (2014)
Justin Bruening Rob Tredwyck Rob Tredwyck See fewer	Good Behavior (2016)
Brendan Hines Alex Conrad Alex Conrad See fewer	The Tick (2016)
Erik Palladino Coach Rome Coach Rome See fewer	ER (1994)
Andrew Lawrence Tommy Marcone Tommy Marcone See fewer	United States of Tara (2009)
Josie Loren Bridget McManus Bridget McManus See fewer	17 Again (2009)
Kathleen Mary Carthy Lorraine Dinovi Lorraine Dinovi See fewer	She Said (2022)
Peter Parros Dr. Rex Colabro Dr. Rex Colabro See fewer	Real Genius (1985)
Ben Bledsoe Brian Morris Brian Morris See fewer	Feast (I) (2014)
Zoran Radanovich Jimmy Lennon Jimmy Lennon See fewer	Transformers: Dark of the Moon (2011)
Bruce Katzman Benjamin Morris Benjamin Morris See fewer	Middle of Nowhere (2012)
Tom Jourden Lawyer Lawyer See fewer	As We See It (2022)
Roy Huang Aaron Choi Aaron Choi See fewer	Take the Night (2022)
Kelley Robins Hicks Julie Singer Julie Singer See fewer	Random Acts of Flyness (2018)
Katrina Nelson Bartender Bartender See fewer	Lethal Weapon (2016)
Crispian Belfrage Photographer Photographer See fewer	Morgan (2016)
Yasmine Abriel Girl Girl See fewer	The Curious Case of Benjamin Button (2008)
Lindsey Sporrer Ingrid (uncredited) Ingrid (uncredited) See fewer	Terror Birds (2016)