Jill Hennessy Dr. Jordan Cavanaugh Actor Miguel Ferrer Dr. Garret Macy Actor Ken Howard Actor Ravi Kapoor Dr. Mahesh "Bug" Mahershalalhashbaz Ali Actor Steve Valentine Dr. Nigel Townsend Actor Kathryn Hahn Lily Lebowski Actor Ivan Sergei Actor Jennifer Finnigan Actor Jerry O'Connell Det. Woody Hoyt Actor Leslie Bibb Det. Tallulah "Lu" Simmons Actor Alex McKenna Guest Star Tim Kring Executive Producer