Main cast •
Louise Bourgoin as Chloé Antovska: fourth year intern, Manuel's domestic partner, Muriel's former protégé, treats
female-to-male (FtoM) and post-ICU patients. Hides her
aortic valve replacement operation, which causes heart problems, she collapses. Upon recovery she has lost use of her left arm, assigned to sorting and archiving files. After ED's flooding, reassigned to minor ED cases •
Alice Belaïdi as Alyson Lévêque: newly appointed first year intern, assigned to Geriatrics, becomes Hugo's lover. Reassigned to ED patients •
Karim Leklou as Arben Bascha: Albanian-born forensic pathologist, former
gastroenterologist, reassigned to Internal Medicine. Later works as a
paramedic-ambulance driver for
Order of Malta. • as Hugo Wagner: first year intern, Muriel's son, becomes Alyson's lover. Reassigned to ED patients •
Anne Consigny as Muriel Wagner: head of Intensive care unit (ICU), Hugo's mother •
Éric Caravaca as Manuel Simoni: head of Internal Medicine, home quarantined with unknown infection, Chloé's domestic partner. (season 1) Transferred to
Lyon (off-screen); returns when COVID-19 pandemic occurs. •
Bouli Lanners as Olivier Brun (season 2): head of Emergency Department (ED), keeps a
Flemish Giant rabbit in a ward's storeroom
Additional cast • Bellamine Abdelmalek as Lazare Pintao: ICU intern, Hugo's contemporary • Sylvie Lachat as Martine Bogossian: Internal Medicine head nurse • Théo Navarro-Mussy as Igor Jurozak: ED intern • Mustapha Abourachid as Saïd Larouchi: ED doctor, Igor's supervisor •
Géraldine Nakache as Nathalie Ferrand: hospital administrator • Oussama Kheddam as Rachid Bensadi: nurse in Hugo's sector • Paul Delbreil as Nadi: ICU nurse, works with Lazare • Christophe Ntakabanyura as Marcel Diop: nurse • Géraldine Schitter as Dorothée Rummel: nurse in Arben's sector • Laurette Tessier as Laura Millon: nurse • Pierre Cévaër as Kim:
neonatal intern, Hugo's contemporary • Fabrice Robin as Fabrice/Infirmier réa (English: "nurse"): ED nurse • Blanche Cluzet as Stéphanie Guenolec: ICU nurse, monitors
high pressure chamber • Lucile Chevalier as Louise Blachet:
radiology nurse, works for Neuville • Régis Iacono as Radiologue (English: "Radiologist")/Simon Neuville: head of radiology • Philippe Bertin as Yves Genton: pathologist, Arben's colleague • Marie Petiot as Stella Magrou: nurse • Hubert Myon as Dominique: administrative assistant • Michel Masiero as Jacques Drobert: patient, owns dog Timi • as Samir: Alyson's boyfriend, school teacher; breaks up with Alyson • Luc Leclerc du Sablon as Docteur (English: Doctor) Cohen: Internal Medicine doctor, home quarantined; becomes Alyson's supervisor before she joins ED team • Hélèna Guihard as Marion Riviere: 17-year-old attempted suicide patient, later dies • Shawn Delair as Fred Laurin (formerly Vanessa Laurin): Chloé's FtoM mastectomy patient • Michaël Perez as Fred Iao: ED
triage nurse, sets up in Manuel's former office • Jackie Berroyer as Jean-Pierre Bayle: short-term replacement doctor, former
GP • Valentin Papoudof as Pierre: nurse • Cécile Gallissaires as Mme Marciano/Josiane Marchiano:
brain hemorrhage patient found in isolation room • Séverine Mollet as Infirmière urgences (English: "Emergency Nurse")/Maëlle: ED nurse • Jeanne Buchard as Anna Jurozak: Igor's sister, nurse, becomes an
extern in Pediatrics • Myra Bitout as Florence Molina: bruised and battered patient • Philippe Cariou as Arnaud Colin: head of Emergency department • Armand Antonioli as Dr. Lanthier: Geriatrics doctor, home quarantined • Leticia Guttierez as Dr. Zerbib:
dermatologist, home quarantined ==Episodes==