Miguel Ferrer
as Chief Medical Examiner Dr. Garret Macy
Jill Hennessy
as Dr. Jordan Cavanaugh
Ravi Kapoor
as Dr. Mahesh "Bug" Vijayaraghavensatanaryanamurthy
Steve Valentine
as Dr. Nigel Townsend
Kathryn Hahn
as Lily Lebowski
Jerry O'Connell
as Detective Woodrow "Woody" Hoyt
Ken Howard
as Ret. Detective Lt. Max Cavanaugh
Ivan Sergei
as Dr. Peter Winslow
Mahershala Ali
as Dr. Trey Sanders
Leslie Bibb
as Detective Tallulah "Lu" Simmons
Lorraine Toussaint
as Dr. Elaine Duchamps