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Mark clashes with new attending physician Gabriel Lawrence. Lucy and Luka try to convince a woman that her husband is dangerous. Carter tries to be supportive as Elaine undergoes her mastectomy. After Weaver puts in a good word for her, Jeanie receives baby Carlos on a temporary basis; she and Reggie get married later in the day. Cleo treats a family who was in an accident. Benton talks with his lawyer about having a DNA test.

Jennifer Morris, Bill Gratton, Cesar Herrera, Cory King, Benjamin Lum, Miles Marsico, Lawrence B. Adisa, Erich Anderson, Annie Grindlay, Amber Green, Gregg Daniel, Todd Susman, Christine Tucci, Veralyn Jones, Andrew Rothenberg, Geoffrey Thorne, Kipp Shiotani, Alan Alda