César Olivier (played by Daniel Auteuil) is a protagonist in Marius.
Owner of La Marine bar, father of Marius, and central patriarch of the Old Port community. Marius Olivier (played by Raphaël Personnaz) is a protagonist in Marius.
César's son torn between his passion for the sea and his love for Fanny. Honoré Panisse (played by Jean-Pierre Darroussin) appears in Marius.
Wealthy older boat merchant who courts Fanny and eventually marries her for her son. Fanny Cabanis (played by Victoire Bélézy) appears in Marius.
Seafood peddler deeply in love with Marius, later marries Panisse to raise her child. Honorine (played by Marie-Anne Chazel) appears in Marius.
Community figure involved in wedding preparations and local gossip. First sailor of the Coromandel (played by Laurent Fernandez) appears in Marius.
Crew member of the exploratory ship, part of the maritime backdrop. Mr. Brun (played by Nicolas Vaude) appears in Marius.
Respected local figure and friend of César, involved in community affairs.