Gare Quai d'Orsay figured in the episode of Maigret shown over the weekend.
However, I think the programme was shot in either Budapest or Prague as better representing 1950s Paris!
The trains were also supposed to have come from Picardie which seems unlikely, as they would have used Gare du Nord.
Quai d'Orsay was for about 40 years the main terminal for central/south western France, so to Clermont-Ferrand, Orléons, Toulouse, Bordeaux etc.
The main line was cut back to Gare d'Austerlitz during WW2, and later put underground for RER line C, with the old surface terminal becoming Museum d'Orsay.
Austerlitz also lost most of its main line traffic to Montparnasse when the TGVs to Bordeaux started, and is left just with Orléons/Toulouse and some regional services.
My one attempt to use a train from there, to reach Brive, was thwarted by SNCF being on strike (again), forcing me to hire a car instead!
Europcar did a roaring trade that day.
Paris Gare de Bercy, across the river from Gare de Lyon, is another odd station, which nearly closed.
It became the terminal for motorail traffic, and more recently for sleepers and some long-distance classic traffic.
It also hosts the Clermont service which once went to Austerlitz.
https://en.wikipedia.org/wiki/Gare_d'Orsay
https://en.wikipedia.org/wiki/Gare_d'Austerlitz
https://en.wikipedia.org/wiki/Gare_de_Bercy