 Complete the following phrase:  Since 2006, he has starred in Progresso commercials, advertising their soup brand. On March 5, 2009, Lithgow made a cameo on NBCs 30 Rock acting in the episode Goodbye, My Friend with several references to his role in Harry and the Hendersons. In September 2009, Lithgow joined the cast of Dexter as Arthur Mitchell, a serial killer and Dexter Morgans nemesis. He won a Golden Globe Award for this role and won an Emmy for 