| Alastair | |
|---|---|
| Supernatural character | |
&sq=&lang=&file=File:Alastair_Supernatural.jpg) Mark Rolston as Alastair | |
| First appearance | "I Know What You Did Last Summer" (4.09) November 13, 2008 |
| Last appearance | "When the Levee Breaks" (4.21) May 7, 2009 |
| Created by | Eric Kripke |
| Portrayed by | Mark Rolston Andrew Wheeler Christopher Heyerdahl |
| In-universe information | |
| Species | White-eyed Demon |
| Gender | Male |
| Title | Big-Timer The Grand Inquisitor Downstairs Picasso with a Razor |
| Occupation | Hell's Demonic Chief of Staff Hell's Master Torturer |
| Abilities | Demonic possession Invulnerability Superhuman strength Telekinesis Teleportation Occult knowledge |
Alastair is a fictional character on The CW Television Network's drama and horror television series Supernatural, appearing in its fourth season. A particularly infamous demon and torturer in Hell, he is portrayed in succession by actors Mark Rolston, Andrew Wheeler, and Christopher Heyerdahl due to his demonic ability to possess human hosts.
The writers created the character to explore series protagonist Dean Winchester's experiences while in Hell, particularly Alastair's tutelage of Dean in torturing other souls. The character received generally favorable reviews from critics, with fans at the time considering him one of the series' best villains.