Kathryn is one of five cast members of Oz to later appear in the Law & Order series. The other four are Law & Order: Special Victims Unit's Christopher Meloni (Det. Elliot Stabler) and B.D. Wong (Dr. George Huang), Law & Order's J.K. Simmons (Dr. Emil Skoda), and Law & Order: Trial By Jury's Kirk Acevedo (D.A. Investigator Hector Salazar).