May Day

Summary

As the result of a school shooting, Kovac and Benton care for the gunman and his victims. Abby discovers that Carter has been illegally injecting pain relievers. Greene and Weaver confront Carter about his problem, and Weaver orders him to enter a drug rehabilitation center or leave the hospital permanently.

Guest stars

• Maura Tierney as Abby Lockhart
• Ming-Na Wen as Jing-Mei Chen
• Erik Palladino as Dave Malucci
• John Doman as Carl Deraad
• Stewart Finlay-McLennan as Mr. Tanner
• Alvin Alvarez as Daniel
• Troy Evans as Frank Martin
• Conni Marie Brazelton as Connie Oligario
• John Aylward as Donald Anspaugh
• Yvette Freeman as Haleh Adams