Dexter: Original Sin - Cast

Name	Episodes	Known for
Mason Michael Moore Volleyball Announcer Volleyball Announcer See fewer	1	Station 19 (2018)
Christian Slater Harry Morgan Harry Morgan See fewer		Very Bad Things (1998)
Sarah Michelle Gellar Tanya Martin Tanya Martin See fewer		Buffy the Vampire Slayer (1997)
Patrick Dempsey Aaron Spencer Aaron Spencer See fewer		Grey's Anatomy (2005)
Joe Pantoliano Mad Dog Mad Dog See fewer		Memento (2000)
Brittany Allen Laura Moser Laura Moser See fewer		What Keeps You Alive (2018)
Molly Brown Debra Morgan Debra Morgan See fewer		Senior Year (2022)
Patrick Gibson Dexter Morgan Dexter Morgan See fewer		The OA (2016)
Christina Milian Maria LaGuerta Maria LaGuerta See fewer		Be Cool (2005)
Reno Wilson Bobby Watt Bobby Watt See fewer		Mike & Molly (2010)
James Martinez Angel Batista Angel Batista See fewer		Run All Night (2015)
Roberto Sanchez Tony Ferrer Tony Ferrer See fewer		2 Fast 2 Furious (2003)
Carlo Mendez Hector Estrada Hector Estrada See fewer		Parks and Recreation (2009)
Alex Shimizu Vince Masuka Vince Masuka See fewer		The Blacklist (2013)
Isaac Gonzalez Rossi Gio Gio See fewer		Westworld (2016)
Raquel Justice Sofia Sofia See fewer		One Day at a Time (2017)
Aaron Jennings Clark Sanders Clark Sanders See fewer		Movie 43 (2013)
Jasper Lewis Doris Morgan Doris Morgan See fewer		V/H/S (2012)
Randy Gonzalez Santos Jimenez Santos Jimenez See fewer		Billy Lynn's Long Halftime Walk (2016)
Laura Ault Tourist Wife Tourist Wife See fewer		The Right Stuff (2020)
Bryson Powers Andy Andy See fewer		Good Trouble (2019)
Matthew William Miami Metro Police Officer Miami Metro Police Officer See fewer		Zero Day (II)
Sara Oliva Mother Mother See fewer		Lioness (I) (2022)
Sarah Kinsey Camilla Figg Camilla Figg See fewer		Candlestick Justice (2018)
Keith Paul Carpenter Happy Tourist Husband (uncredited) Happy Tourist Husband (uncredited) See fewer		F1 (2025)
Andrew Baijnath Patron (uncredited) Patron (uncredited) See fewer		The Glades (2010)