Cast Credits Person of Interest (2011) Guest starring as Robert Keller Episode 1x06: The Fix (Oct 27, 2011) The Good Wife (2009) Guest starring as Judge Mowbray Episode 3x02: The Death Zone (Oct 2, 2011) 30 Rock (2006) Guest starring as Jack's Dad Episode 1x17: The Fighting Irish (Mar 8, 2007)