Supernatural (season 1)

Season One consists of 22 episodes that aired on Tuesdays at 9PM EST for the first 16 episodes, before moving to Thursdays at the same time.

Main Cast

 * Jared Padalecki as Sam Winchester (22/22)
 * Jensen Ackles as Dean Winchester (22/22) and Serial Killer Shapeshifter (1/22) (episode 6)
 * Jennifer Morrison as Mallory Anderson (16/22) (episodes 2-4, 7-10, 12-20)
 * Adrianne Palicki as Jessica Moore (16/22) (1-4, 7-9, 12-18, 21-22)

Recurring Cast

 * Jeffrey Dean Morgan as John Winchester (8/22) and Azazel (1/22) (episodes 1, 4, 9, 11, 16, 18, 20-22)
 * Olivia Munn as Lucy (7/22) (episodes 4-7, 9-11)
 * Nicki Aycox as Meg (4/22) and Meg Masters (1/22) (episodes 11, 16, 21-22)
 * Josh Henderson as Ben Mitchell (5/22) (episodes 2-6)