
Nurse Mary is a minor antagonist who appears in flashbacks in the first season of Dexter, and in the first episode of Dexter: Original Sin. She is an Angel of Death-type serial killer who murders her patients as a twisted form of mercy.
She is portrayed by Denise Crosby in Dexter and Tanya Clarke in Dexter: Original Sin.
Victims[]
Dexter[]
Season 1[]
Popping Cherry[]
- Phoebe Burns - Overdosed on morphine injected into her by Nurse Mary, shown in a flashback.
- Jason Kheel - Overdosed on morphine injected into him by Nurse Mary, shown in a flashback.
- David Nammers - Overdosed on morphine injected into him by Nurse Mary, shown in a flashback.
- Adam Horrocks - Overdosed on morphine injected into him by Nurse Mary, shown in a flashback. Revived.
- Adam Horrocks - Overdosed on morphine injected into him by Nurse Mary, shown in a flashback.
- Four Unnamed People - Overdosed on morphine injected into them by Nurse Mary, shown in a flashback.
- Total - 9
Dexter: Original Sin[]
Season 1[]
And in the Beginning...[]
- Victoria Sinclair - Poisoned by Nurse Mary with potassium nitrate off-screen, body shown.
- Total - 1
Kill Count[]
- Total - 10
- 4 Men
- 4 Victims of Unknown Gender
- 2 Women
Characters Killed by Mary[]
- Phoebe Burns - Overdosed on morphine injected into her by Nurse Mary, shown in a flashback.
- Jason Kheel - Overdosed on morphine injected into him by Nurse Mary, shown in a flashback.
- David Nammers - Overdosed on morphine injected into him by Nurse Mary, shown in a flashback.
- Adam Horrocks - Overdosed on morphine injected into him by Nurse Mary, shown in a flashback. Revived.
- Adam Horrocks - Overdosed on morphine injected into him by Nurse Mary, shown in a flashback.
- Victoria Sinclair - Poisoned by Nurse Mary with potassium nitrate off-screen, body shown.
Death[]
- Stabbed three times in the stomach by Dexter Morgan on the orders of Harry Morgan, shown in a flashback. (Season One - Popping Cherry)
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