Oliver Platt Dr. Daniel Charles Actor S. Epatha Merkerson Sharon Goodwin Actor Nick Gehlfuss Dr. Will Halstead Actor Yaya DaCosta Nurse April Sexton Actor Colin Donnell Dr. Connor Rhodes Actor Brian Tee Dr. Ethan Choi Actor Torrey DeVitto Dr. Natalie Manning Actor Rachel DiPillo Dr. Sarah Reese Actor Julie Marie Berman Dr. Sam Zanetti Guest Star Roland Buck III Noah Sexton Guest Star Taylor Kinney Kelly Severide Guest Star Monica Raymund Gabriela Dawson Guest Star Kara Killmer Sylvie Brett Guest Star Dora Madison Jessica Chilton Guest Star David Eigenberg Christopher Herrmann Guest Star Robyn Coffin Cindy Herrmann Guest Star Joe Minoso Joe Cruz Guest Star Christian Stolte Randall McHolland Guest Star Jesse Lee Soffer Jay Halstead Guest Star Sophia Bush Erin Lindsay Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Marlyne Barrett Maggie Lockwood Guest Star Peter Mark Kendall Joey Thomas Guest Star Billy Smith Michael Shepperd Guest Star Lorena Diaz Nurse Doris Guest Star Alex Weisman Chout Guest Star Dick Wolf Executive Producer Matt Olmstead Executive Producer Michael Brandt Executive Producer Derek Haas Executive Producer Danielle Gelber Executive Producer Peter Jankowski Executive Producer Joe Chappelle Executive Producer