Mark Pellegrino 's Lucifer tortured Sam in Supernatural .
On June 26 , 2009 it was also announced that Pellegrino was cast in a recurring role as Lucifer in the fifth season of the CW series Supernatural until he was returned to his prison , returning in the seventh season as a hallucination of protagonist Sam Winchester due to his mental damage after he spent a year being tortured by Lucifer , until Sam was cured of his insanity .
Mark Pellegrino