Sebastian

Sebastian may refer to:
 * Sebastian, a member of Torchwood 1. (TV: Army of Ghosts)
 * Sebastian Grayle, an enemy of the Eighth Doctor who made a deal with the Nimon. (AUDIO: Seasons of Fear)

Behind the scenes

 * Sebastian Armesto, an actor who played Broff in TV: Bad Wolf and Anders in AUDIO: Grand Theft Cosmos.
 * Sebastian Stride, an actor who played a Crewman in TV: Nightmare of Eden.
 * Robin Sebastian, a voice actor for Big Finish Productions.