Guest Stars Jeff Hiller as Mr. Whitely Gideon Glick as Cameron Kal Penn as Mac Marzara Hale Appleman as Daniel Kanowicz Taylor Bloom as Stewart Casey Thomas Brown as Hans Henkes Rebecca Dayan as Alana Sis as Dunaway Co Starring Matthew William Bishop as Big Daddy Chris McGinn as Homeless Woman Sean-Michael Wilkinson as Young Detective Zach Meiser as Wiry Man Mario Brassard as Leather Bar Patron Ronald Austin Jr. as Male Nurse Fredi Bernstein as Resident Greg Brostrom as EMT Michael Quinlan as Medical Director Barron Myers as Waiter Madelaine Adam as ER Surgeon Erica Ball as Nurse