Evan Dunsky Creator Liz Brixius Creator Linda Wallem Creator Edie Falco Jackie Peyton Actor Eve Best Dr. Eleanor O'Hara Actor Peter Facinelli Dr. Fitch Cooper Actor Merritt Wever Zoey Barkow Actor Haaz Sleiman Mohammed 'Mo-Mo' De La Cruz Actor Paul Schulze Eddie Walzer Actor Anna Deavere Smith Gloria Akalitus Actor Ruby Jerins Grace Peyton Actor Elizabeth Marvel Ginny Flynn Actor Stephen Wallem Thor Lundgren Actor Jill Flint Melissa Greenfield Guest Star Cassady Leonard Kaitlyn Flynn Guest Star Eddie Korbich Tap Instructor Guest Star Lazaro Perez Guest Star William Oliver Watkins Paramedic 2 Guest Star Joseph Ackler EMT 2 Guest Star Paul Feig Director John P. Melfi Executive Producer