- as Dr. Will Halstead
- as Maggie Lockwood
- as April Sexton
- as Ava Bekker
- as Dr. Natalie Manning
- as Sharon Goodwin
- as Dr. Connor Rhodes
- as Jay Halstead
- as Emily
- as Dr. Ethan Choi
- as Dr. Daniel Charles
- as Bernard Kim
- as Ray Burke
- as Tommy Burke
- as Agent Ingrid Lee
- as Tonya Griggs
- as Ashley Kim
- as Nurse Monique
- as Nurse Doris
- as Leah
- as Father Brady
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