Dexter: Original Sin (TV) Cast
The cast of Dexter: Original Sin. Updated on October 19, 2025.
Patrick Gibson
Dexter Morgan · 10 eps

Patrick Gibson stars as Dexter Morgan, a character known for his complex and dark nature.

Christian Slater
Harry Morgan · 10 eps
4,059
wiki views
#1,333 overall

Christian Slater plays Harry Morgan, Dexter's father and a guiding influence in his life.

Molly Brown
Debra Morgan · 10 eps

Molly Brown portrays Debra Morgan, Dexter's supportive and headstrong sister.

Christina Milian
Maria LaGuerta · 10 eps
1,309
wiki views
#4,789 overall

Christina Milian is Maria LaGuerta, a confident and ambitious officer.

Alex Shimizu
Vince Masuka · 10 eps
103
wiki views
#19,849 overall

Alex Shimizu plays Vince Masuka, known for his quirky personality and forensic expertise.

Reno Wilson
Bobby Watt · 10 eps
289
wiki views
#13,026 overall
James Martinez
Angel Batista · 10 eps
259
wiki views
#13,729 overall

James Martinez takes on the role of Angel Batista, a dedicated and honest detective.

Patrick Dempsey
Aaron Spencer · 10 eps
3,753
wiki views
#1,483 overall
Michael C. Hall
The Inner Voice of Dexter (voice) · 10 eps
7,489
wiki views
#467 overall

Michael C. Hall provides the voice for the inner thoughts of Dexter, adding layers to the character's complexity.

Sarah Michelle Gellar
CSI Chief Tanya Martin · 1 ep
8,927
wiki views
#319 overall
Top Dexter: Original Sin Cast Members
Based on daily Wikipedia pageviews. Updated October 19, 2025.
#1
Sarah Michelle Gellaras CSI Chief Tanya Martin
8,927 views→
#2
Michael C. Hallas The Inner Voice of Dexter (voice)
7,489 views→
#3
Christian Slateras Harry Morgan
4,059 views→
#4
Patrick Dempseyas Aaron Spencer
3,753 views→
#5
Christina Milianas Maria LaGuerta
1,309 views→
#6
Reno Wilsonas Bobby Watt
289 views→
#7
James Martinezas Angel Batista
259 views→
#8
Alex Shimizuas Vince Masuka
103 views→
Dexter: Original Sin Stats
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