Eastbound & Down - "Chapter 2"
Will Ferrell guest starred as 'Ashley Schaeffer' of Ashley Schaeffer Motors. Here's a commercial he filmed in-character from FunnyOrDie.com.
Life - "Hit Me Baby"
Erick Avari guest starred as a pigeon expert. He's recognizable as 'Chandra Suresh' from season 1 of Heroes.
LOST - "The Life And Death Of Jeremy Bentham"
Lance Reddick, who guest starred as 'Matthew Abbadon,' also plays 'Agent Phillip Broyles' on Fringe.