Len Cariou, who plays Frank McCarty (Michael Kepler's father-in-law), plays Henry Reagan (Reagan clan's patriarch) in another police procedure drama, Blue Bloods (2010).
When Catherine shows paperwork for the arrest records of Suzy Gibbons, the photo shows is of actress Sage Kirkpatrick. The previous year, Kirkpatrick was also featured in the series Dexter (2006) as Laura Moser whose character is also referenced frequently by her mugshot.