Castle

Countdown (Season 3, Episode 17)

TV-PG

TV Episode | 43 min | Comedy, Crime, Drama

With time running out, Castle and Beckett must put aside their differences with Agent Fallon to avert a city-wide catastrophe.

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Cast	+ Add Cast
19 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 (credit only) Lanie Parish (credit only) See fewer	Blue Streak (1999)
Seamus Dever Kevin Ryan Kevin Ryan See fewer	Castle (2009)
Adrian Pasdar DHS Agent Mark Fallon DHS Agent Mark Fallon See fewer	Carlito's Way (1993)
Bahar Soomekh Nazihah Alhabi Nazihah Alhabi See fewer	Crash (I) (2004)
Lochlyn Munro Kevin McCann Kevin McCann See fewer	Freddy vs. Jason (2003)
Alon Aboutboul Fariq Yusef (as Alon Moni Aboutboul) Fariq Yusef (as Alon Moni Aboutboul) See fewer	The Dark Knight Rises (2012)
Victor Webster Josh Davidson Josh Davidson See fewer	Workin' Moms (2017)
Monica Keena Charlene McCann Charlene McCann See fewer	Freddy vs. Jason (2003)
Piter Marek Jamal Alhabi Jamal Alhabi See fewer	The Blacklist (2013)
Jonathan Runyon DHS Technician DHS Technician See fewer	Mr. Corman (2021)
Jeff Denton Evan Bauer Evan Bauer See fewer	The Toybox (2018)
Billy Mayo Senior Officer Senior Officer See fewer	The Perfect Storm (2000)
Benjamin Patterson Paramedic Paramedic See fewer	Greenleaf (2016)