Thello is setting up a new service on this route using Frecciabianca rolling stock. The train will run once a day in both directions in the afternoon/evening.
Of course this service won't be advertised through SNCF booking channels so many passengers won't know about it.
Press release (French): https://www.thello.com/_meta/downloads/CP_140923-Thello.pdf
Timetable: https://www.thello.com/a-propos-thello/news/140922-Ouverture-Marseille-Milan/index.html?iLangID=3
Of course this service won't be advertised through SNCF booking channels so many passengers won't know about it.
Press release (French): https://www.thello.com/_meta/downloads/CP_140923-Thello.pdf
Timetable: https://www.thello.com/a-propos-thello/news/140922-Ouverture-Marseille-Milan/index.html?iLangID=3