main characters
Dr. Jordan Cavanaugh (Jill Hennessy)
Chief Medical Examiner Dr. Garret Macy (Miguel Ferrer)
Detective Woody Hoyt (Jerry O'Connell)
Dr. Nigel Townsend (Steve Valentine)
Dr. Mahesh "Bug" Vijayaraghavensatyanaryanamurthy (Ravi Kapoor)
Lily Lebowski (Kathryn Hahn)
Ret. Detective Lt. Max Cavanaugh (Ken Howard )
minor characters
Dr. Trey Sanders (Mahershalalhashbaz Ali)
Dr. Peter Winslow (Ivan Sergei)
Dr. Elaine Duchamps (Lorraine Toussaint)
Tallulah "Lu" Simmons (Leslie Bibb)
Devan Maguire (Jennifer Finnigan)
D.A. Rene Walcott (Susan Gibney)
Sidney (Eugene Byrd)
Detective Matt Seely (David Monahan)
Dr. Howard Stiles (Wallace Shawn)
Abby Macy (Alex McKenna)
Maggie (Lindsay Frost)