One of the tricky things about running a TV show is that you just never know how good the guest stars you cast on a weekly basis, how good they're going to be in the episode. Sometimes they surprise you in good ways and sometimes they surprise you in disappointing ways.

Shawn Ryan (born October 11 1966 Rockford Illinois) is an American screenwriter and television producer. A. The production was put on hold when casting contingencies could not be met.

He is best known as the creator and showrunner of the television series The Shield (2002-2008) and The Chicago Code (2011). Ryan also co-created the ABC series Last Resort (2012) and produced The Unit (2006-2009) Lie To Me (2009-2010) and Terriers (2010). Shawn Ryan (born October 11 1966 Rockford Illinois) is an American screenwriter and television producer.