Jean-Philippe Susilovic was, at one point in writing, set to make a cameo appearance in Gordon Ramsay vs Julia Child before being scrapped, as confirmed by EpicLLOYD in one of the Behind the Scenes videos for the battle. It is unknown by whom he would have been portrayed.
Information on the cameo
Jean-Philippe "J. P." Susilovic was born on November 26th, 1975, in Brussels, Belgium. He is a television personality known for his appearances as the maître d' on the American version of Gordon Ramsay's cooking reality show, Hell's Kitchen; he was also the maître d' for the first series of the original British version of the show.
[Note: Jean-Philippe Susilovic is in gray, while Gordon Ramsay is in regular text.]
Oh wait, J. P., drop the bouillabaisse! (Yes, chef!)