My speculation of what the 12 driver line-up could look like:

Porsche works drivers (age/nationality) Championship Class
Gianmaria Bruni (39/Italy) WEC LMDH
Kévin Estre (32/France) WEC LMDH
Mathieu Jaminet (26/France) WEC LMDH
Frédéric Makowiecki (40/France) WEC LMDH
Pascal Wehrlein (26/Germany) WEC LMDH
Nico Hulkenburg (34/Germany) WEC LMDH

 

Porsche works drivers (age/nationality) Championship Class
Matt Campbell (25/Australia) IMSA LMDH
Neel Jani (36/Switzerland) IMSA LMDH
Laurens Vanthoor (29/Belgium) IMSA LMDH
Josef Newgarden (30/USA) IMSA LMDH
Felipe Nasr (29/Brasil) IMSA LMDH
Dane Cameron (32/USA) IMSA LMDH