Castle Demons (Season 4, Episode 6)
TV-PG
TV Episode | 45 min | Comedy, Crime, Drama

Castle

Demons (Season 4, Episode 6)

TV-PG

TV Episode | 45 min | Comedy, Crime, Drama

Castle and Beckett confront the possibility of paranormal foul play when a world-renowned ghost hunter is mysteriously murdered while investigating a haunting at a legendary New York mansion.

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Cast	+ Add Cast
20 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 Lanie Parish See fewer	Blue Streak (1999)
Molly C. Quinn Alexis Castle (as Molly Quinn) Alexis Castle (as Molly Quinn) See fewer	Castle (2009)
Penny Johnson Jerald Captain Victoria Gates (credit only) Captain Victoria Gates (credit only) See fewer	24 (2001)
Fredric Lehne Addison Smith Addison Smith See fewer	Men in Black (1997)
Amanda Walsh Lulu, Jack's Producer Lulu, Jack's Producer See fewer	Ghosts of Girlfriends Past (2009)
Vernee Watson Mercy LaGrande / Mercedes King (as Vernée Watson) Mercy LaGrande / Mercedes King (as Vernée Watson) See fewer	Christmas with the Kranks (2004)
Mark Harelik Pete Benton Pete Benton See fewer	42 (2013)
Juliana Dever Jenny Duffy-O'Malley Jenny Duffy-O'Malley See fewer	Castle (2009)
Vincent Guastaferro Steve Fuller Steve Fuller See fewer	Friday the 13th Part VI: Jason Lives (1986)
Joel Stoffer Ron Berger Ron Berger See fewer	Indiana Jones and the Kingdom of the Crystal Skull (2008)
Shawn Carter Peterson Barry Bavetta Barry Bavetta See fewer	Pitch Perfect 2 (2015)
Philipp Karner Jack Sinclair Jack Sinclair See fewer	Like You Mean It (2015)
Christian S. Anderson Harry Boyer (as Christian Anderson) Harry Boyer (as Christian Anderson) See fewer	The Defenders (2010)
Jennifer Cortese Margaret Boyer Margaret Boyer See fewer	Hand of God (2014)
Josh Hopkins Officer (uncredited) Officer (uncredited) See fewer	The Perfect Storm (2000)