July Cup winner Mayson and last year's hero Tangerine Trees are part of a strong British contingent in the Prix de l'Abbaye, for which 23 horses are still in the hat, at Longchamp on Sunday.
Swiss Spirit, Borderlescott, Maarek, Sole Power and Spirit Quartz are among the huge overseas party, with Wizz Kid the sole French interest.
Ascot Gold Cup winner Colour Vision is one of 14 possible runners in the Prix du Cadran.
The Saeed bin Suroor-trained four-year-old could be joined in the line-up by Saddler's Rock, who claimed the Goodwood Cup in August.
Goodwood runner-up Askar Tau has been confirmed, while High Jinx, who was second in the Lonsdale and the Doncaster Cup, could also make the final field.
Moyglare winner Sky Lantern and Ballydoyle's Magical Dream are amongst the big names for the Prix Marcel Boussac.
Purr Along, Agent Allison and My Special J's add further interest.
Aidan O'Brien dominates the Prix Jean-Luc Lagardere with five entries, which include Cristoforo Colombo, with Ashdan and Taayel from the John Gosden yard having also been confirmed.
Richard Hannon's Olympic Glory and the David Lanigan-trained No Jet Lag also have the option.
The Gosden duo of The Fugue and Izzi Top spearhead the British raiding party in the Prix de l'Opera, for which 17 horses remain.
Roger Varian's Ambivalent and the Ed Dunlop-trained Testosterone are also among the entries.
Eleven thoroughbreds, including the O'Brien-trained Starspangledbanner and Clive Cox's Lethal Force, are still in contention for the Prix de la Foret.