On Christmas eve, Serge is the only on-call emergency doctor available. Struck by a crippling back-ache, he gets help from a pizza delivery boy who will need to step in the doctor's shoes.

Michel Blancas Serge Mamou Mani, the doctor
Hakim Jemilias Malek Aknoun, Uber delivery man
Solène Rigotas Rose Malaparte
Chantal Laubyas Suzy, the switchboard operator (voice)
Franck Gastambideas Grisoni, Uber's customer
Fadily Camaraas Sonya Derringer, the woman giving birth
Artusas Wilfried
Jacques Boudetas Mr. Xanakis, the old patient
Ophélia Kolbas Marjolaine Joffrin
Maxence Tualas Henri Joffrin
Frédéric Noirhomme