Cast: Of Dexter Season 3

: A powerful ADA who becomes Dexter’s first real "friend" after Dexter accidentally kills Miguel's brother. Desmond Harrington as Joey Quinn

: The department’s lead forensics specialist known for his crude humor and technical expertise. James Remar as Harry Morgan cast of dexter season 3

as : Dexter’s girlfriend (and later fiancé) who deals with an unexpected pregnancy. Jennifer Carpenter as Debra Morgan : A powerful ADA who becomes Dexter’s first

Season 3 serves as a redemption tour for LaGuerta, played with icy precision by Lauren Vélez. After the character spent Season 2 being demoted and humiliated, Vélez gets to play a political operator. Her dynamic with Angel Batista is sweet, but her primary focus is navigating the politics surrounding the Prado family. Vélez excels at showing the audience that while LaGuerta can be cold and calculating, she is also highly competent. She holds her ground against Jimmy Smits, which is no small feat. Jennifer Carpenter as Debra Morgan Season 3 serves