Liz Brixius Creator, Executive Producer Linda Wallem Creator, Executive Producer Evan Dunsky Creator, Executive Producer Edie Falco Jackie Peyton Actor Peter Facinelli Dr. Cooper Actor Merritt Wever Zoey Actor Paul Schulze Eddie Actor Anna Deavere Smith Dr. Akalitus Actor Dominic Fumusa Kevin Peyton Actor Ruby Jerins Grace Peyton Actor Mackenzie Aladjem Fiona Peyton Actor Stephen Wallem Thor Lundgren Actor Morris Chestnut Dr. Ike Prentiss Guest Star Betty Gilpin Dr. Carrie Roman Guest Star Marcy Harriell Marta Guest Star Adam Ferrara Frank Verelli Guest Star Amina Robinson Paramedic Guest Star Mark McDonald EMT Guest Star Caryn Mandabach Executive Producer Jesse Peretz Director Daniele Nathanson Writer